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31214222241213 = 311210323318731913
BaseRepresentation
bin1110001100011101000001…
…01000001110110110111101
311002112001100211001120200010
413012032200220032312331
513042403211343204323
6150215340555453433
76401103345220314
oct706164050166675
9132461324046603
1031214222241213
119a4497177a500
123601637a57279
1314556473a96ab
1479cac26bd27b
15391e48396c93
hex1c63a0a0edbd

31214222241213 has 96 divisors (see below), whose sum is σ = 46437876156672. Its totient is φ = 18633934725120.

The previous prime is 31214222241203. The next prime is 31214222241227.

31214222241213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31214222241213 - 24 = 31214222241197 is a prime.

It is a super-2 number, since 2×312142222412132 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31214222241203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16316895145 + ... + 16316897057.

It is an arithmetic number, because the mean of its divisors is an integer number (483727876632).

Almost surely, 231214222241213 is an apocalyptic number.

31214222241213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31214222241213 is a deficient number, since it is larger than the sum of its proper divisors (15223653915459).

31214222241213 is a wasteful number, since it uses less digits than its factorization.

31214222241213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147 (or 4136 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

It can be divided in two parts, 3121422 and 2241213, that added together give a palindrome (5362635).

The spelling of 31214222241213 in words is "thirty-one trillion, two hundred fourteen billion, two hundred twenty-two million, two hundred forty-one thousand, two hundred thirteen".

Divisors: 1 3 11 33 103 121 233 309 363 699 1133 1873 1913 2563 3399 5619 5739 7689 12463 20603 21043 23999 28193 37389 61809 63129 71997 84579 192919 197039 226633 231473 263989 436409 445729 578757 591117 679899 694419 791967 1309227 1337187 2122109 2167429 2903879 3583049 4800499 4903019 6366327 6502287 8711637 10749147 14401497 14709057 23343199 23841719 39413539 44950127 45910087 52805489 53933209 70029597 71525157 118240617 134850381 137730261 158416467 161799627 369054047 433548929 494451397 505010957 834850417 1107162141 1300646787 1483354191 1515032871 2504551251 4059594517 5438965367 5555120527 9183354587 12178783551 16316896101 16665361581 27550063761 44655539687 85989592951 101016900457 133966619061 257968778853 303050701371 945885522461 2837656567383 10404740747071 31214222241213