31100032104 has 16 divisors (see below), whose sum is σ = 77750080320. Its totient is φ = 10366677360.

The previous prime is 31100032097. The next prime is 31100032157. The reversal of 31100032104 is 40123000113.

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 3 ways as a sum of consecutive naturals, for example, 647917312 + ... + 647917359.

It is an arithmetic number, because the mean of its divisors is an integer number (4859380020).

Almost surely, 2^31100032104 is an apocalyptic number.

It is an amenable number.

31100032104 is an abundant number, since it is smaller than the sum of its proper divisors (46650048216).

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

31100032104 is a wasteful number, since it uses less digits than its factorization.

31100032104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295834680 (or 1295834676 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31100032104 its reverse (40123000113), we get a palindrome (71223032217).

The spelling of 31100032104 in words is "thirty-one billion, one hundred million, thirty-two thousand, one hundred four".