31120000100 has 36 divisors (see below), whose sum is σ = 77177601984. Its totient is φ = 10669714080.

The previous prime is 31120000091. The next prime is 31120000123. The reversal of 31120000100 is 100002113.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22227872 + ... + 22229271.

Almost surely, 2^31120000100 is an apocalyptic number.

It is an amenable number.

31120000100 is an abundant number, since it is smaller than the sum of its proper divisors (46057601884).

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

31120000100 is a wasteful number, since it uses less digits than its factorization.

31120000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44457164 (or 44457157 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 31120000100 its reverse (100002113), we get a palindrome (31220002213).

The spelling of 31120000100 in words is "thirty-one billion, one hundred twenty million, one hundred", and thus it is an aban number.