31304103102 has 16 divisors (see below), whose sum is σ = 69564673680. Its totient is φ = 10434701016.

The previous prime is 31304103097. The next prime is 31304103113. The reversal of 31304103102 is 20130140313.

31304103102 is a `hidden beast` number, since 313 + 0 + 41 + 0 + 310 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289852753 + ... + 289852860.

It is an arithmetic number, because the mean of its divisors is an integer number (4347792105).

Almost surely, 2^31304103102 is an apocalyptic number.

31304103102 is an abundant number, since it is smaller than the sum of its proper divisors (38260570578).

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

31304103102 is a wasteful number, since it uses less digits than its factorization.

31304103102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579705624 (or 579705618 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31304103102 its reverse (20130140313), we get a palindrome (51434243415).

The spelling of 31304103102 in words is "thirty-one billion, three hundred four million, one hundred three thousand, one hundred two".