31013002321102 has 16 divisors (see below), whose sum is σ = 48971718522000. Its totient is φ = 14689223484480.

The previous prime is 31013002321069. The next prime is 31013002321109. The reversal of 31013002321102 is 20112320031013.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 31013002321102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013002321109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31340727 + ... + 32315122.

It is an arithmetic number, because the mean of its divisors is an integer number (3060732407625).

Almost surely, 2^{31013002321102} is an apocalyptic number.

31013002321102 is a deficient number, since it is larger than the sum of its proper divisors (17958716200898).

31013002321102 is a wasteful number, since it uses less digits than its factorization.

31013002321102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63668691.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31013002321102 its reverse (20112320031013), we get a palindrome (51125322352115).

The spelling of 31013002321102 in words is "thirty-one trillion, thirteen billion, two million, three hundred twenty-one thousand, one hundred two".