31102013102 has 64 divisors (see below), whose sum is σ = 50541088320. Its totient is φ = 14310825984.

The previous prime is 31102013099. The next prime is 31102013141. The reversal of 31102013102 is 20131020113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98113448 + ... + 98113764.

It is an arithmetic number, because the mean of its divisors is an integer number (789704505).

Almost surely, 2^31102013102 is an apocalyptic number.

31102013102 is a deficient number, since it is larger than the sum of its proper divisors (19439075218).

31102013102 is a wasteful number, since it uses less digits than its factorization.

31102013102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31102013102 its reverse (20131020113), we get a palindrome (51233033215).

The spelling of 31102013102 in words is "thirty-one billion, one hundred two million, thirteen thousand, one hundred two".