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31023244232013 = 3112541413699121
BaseRepresentation
bin1110000110111001010010…
…11100111100010101001101
311001211210102020020111220010
413003130221130330111031
513031241101010411023
6145551514234143433
76351232625014425
oct703345134742515
9131753366214803
1031023244232013
11998097a65a550
123590619881b79
13144063026a117
147937668d9485
1538bebbee5093
hex1c372973c54d

31023244232013 has 16 divisors (see below), whose sum is σ = 45124908639552. Its totient is φ = 18801887136000.

The previous prime is 31023244232003. The next prime is 31023244232017.

It is a happy number.

31023244232013 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31023244232013 - 28 = 31023244231757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023244232017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6537093 + ... + 10236213.

It is an arithmetic number, because the mean of its divisors is an integer number (2820306789972).

Almost surely, 231023244232013 is an apocalyptic number.

31023244232013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31023244232013 is a deficient number, since it is larger than the sum of its proper divisors (14101664407539).

31023244232013 is a wasteful number, since it uses less digits than its factorization.

31023244232013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953276.

The product of its (nonzero) digits is 20736, while the sum is 30.

It can be divided in two parts, 3102324 and 4232013, that added together give a palindrome (7334337).

The spelling of 31023244232013 in words is "thirty-one trillion, twenty-three billion, two hundred forty-four million, two hundred thirty-two thousand, thirteen".

Divisors: 1 3 11 33 254141 762423 2795551 3699121 8386653 11097363 40690331 122070993 940098310061 2820294930183 10341081410671 31023244232013