31010032102 has 24 divisors (see below), whose sum is σ = 54996390720. Its totient is φ = 13072142160.

The previous prime is 31010032073. The next prime is 31010032111. The reversal of 31010032102 is 20123001013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2587702 + ... + 2599657.

It is an arithmetic number, because the mean of its divisors is an integer number (2291516280).

Almost surely, 2^31010032102 is an apocalyptic number.

31010032102 is a deficient number, since it is larger than the sum of its proper divisors (23986358618).

31010032102 is a wasteful number, since it uses less digits than its factorization.

31010032102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5187436 (or 5187429 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 31010032102 its reverse (20123001013), we get a palindrome (51133033115).

The spelling of 31010032102 in words is "thirty-one billion, ten million, thirty-two thousand, one hundred two".