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31214204112304 = 24192291951229819
BaseRepresentation
bin1110001100011100111111…
…00011000100110110110000
311002112001022112221112111001
413012032133203010312300
513042403142223043204
6150215335111131344
76401103035143333
oct706163743046660
9132461275845431
1031214204112304
119a44962517a34
123601631973b54
1314556436ccb25
1479cac012061a
15391e469b54a4
hex1c639f8c4db0

31214204112304 has 80 divisors (see below), whose sum is σ = 63971592064000. Its totient is φ = 14713499923200.

The previous prime is 31214204112281. The next prime is 31214204112317. The reversal of 31214204112304 is 40321140241213.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 135705907 + ... + 135935725.

It is an arithmetic number, because the mean of its divisors is an integer number (799644900800).

Almost surely, 231214204112304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31214204112304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31985796032000).

31214204112304 is an abundant number, since it is smaller than the sum of its proper divisors (32757387951696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31214204112304 is a wasteful number, since it uses less digits than its factorization.

31214204112304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232026 (or 232020 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 31214204112304 its reverse (40321140241213), we get a palindrome (71535344353517).

The spelling of 31214204112304 in words is "thirty-one trillion, two hundred fourteen billion, two hundred four million, one hundred twelve thousand, three hundred four".

Divisors: 1 2 4 8 16 19 38 76 152 229 304 458 916 1832 1951 3664 3902 4351 7804 8702 15608 17404 31216 34808 37069 69616 74138 148276 229819 296552 446779 459638 593104 893558 919276 1787116 1838552 3574232 3677104 4366561 7148464 8488801 8733122 16977602 17466244 33955204 34932488 52628551 67910408 69864976 105257102 135820816 210514204 421028408 448376869 842056816 896753738 999942469 1793507476 1999884938 3587014952 3999769876 7174029904 7999539752 8519160511 15999079504 17038321022 34076642044 68153284088 102678303001 136306568176 205356606002 410713212004 821426424008 1642852848016 1950887757019 3901775514038 7803551028076 15607102056152 31214204112304