31102010102 has 32 divisors (see below), whose sum is σ = 50354356320. Its totient is φ = 14354588160.

The previous prime is 31102010101. The next prime is 31102010113. The reversal of 31102010102 is 20101020113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31102010101) 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, 491852 + ... + 551472.

It is an arithmetic number, because the mean of its divisors is an integer number (1573573635).

Almost surely, 2^31102010102 is an apocalyptic number.

31102010102 is a deficient number, since it is larger than the sum of its proper divisors (19252346218).

31102010102 is a wasteful number, since it uses less digits than its factorization.

31102010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59936.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 31102010102 its reverse (20101020113), we get a palindrome (51203030215).

The spelling of 31102010102 in words is "thirty-one billion, one hundred two million, ten thousand, one hundred two".