31100100008 has 16 divisors (see below), whose sum is σ = 59050824000. Its totient is φ = 15353213616.

The previous prime is 31100099983. The next prime is 31100100041. The reversal of 31100100008 is 80000100113.

It is a junction number, because it is equal to n+sod(n) for n = 31100099965 and 31100100001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24603878 + ... + 24605141.

It is an arithmetic number, because the mean of its divisors is an integer number (3690676500).

Almost surely, 2^31100100008 is an apocalyptic number.

It is an amenable number.

31100100008 is a deficient number, since it is larger than the sum of its proper divisors (27950723992).

31100100008 is a wasteful number, since it uses less digits than its factorization.

31100100008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49209104 (or 49209100 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The spelling of 31100100008 in words is "thirty-one billion, one hundred million, one hundred thousand, eight".