31023032113002 has 128 divisors (see below), whose sum is σ = 65758154821632. Its totient is φ = 9737703360000.

The previous prime is 31023032113001. The next prime is 31023032113067. The reversal of 31023032113002 is 20031123032013.

It is a self number, because there is not a number n which added to its sum of digits gives 31023032113002.

It is not an unprimeable number, because it can be changed into a prime (31023032113001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1930125238 + ... + 1930141310.

It is an arithmetic number, because the mean of its divisors is an integer number (513735584544).

Almost surely, 2^{31023032113002} is an apocalyptic number.

31023032113002 is an abundant number, since it is smaller than the sum of its proper divisors (34735122708630).

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

31023032113002 is a wasteful number, since it uses less digits than its factorization.

31023032113002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16996.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31023032113002 its reverse (20031123032013), we get a palindrome (51054155145015).

The spelling of 31023032113002 in words is "thirty-one trillion, twenty-three billion, thirty-two million, one hundred thirteen thousand, two".