31100108 has 12 divisors (see below), whose sum is σ = 58611840. Its totient is φ = 14353872.

The previous prime is 31100101. The next prime is 31100149. The reversal of 31100108 is 80100113.

It is a super-2 number, since 2×31100108² = 1934433435223328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31100092 and 31100101.

It is not an unprimeable number, because it can be changed into a prime (31100101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298988 + ... + 299091.

It is an arithmetic number, because the mean of its divisors is an integer number (4884320).

Almost surely, 2^31100108 is an apocalyptic number.

It is an amenable number.

31100108 is a deficient number, since it is larger than the sum of its proper divisors (27511732).

31100108 is a wasteful number, since it uses less digits than its factorization.

31100108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598096 (or 598094 counting only the distinct ones).

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

The square root of 31100108 is about 5576.7470805121. The cubic root of 31100108 is about 314.4758495698.

The spelling of 31100108 in words is "thirty-one million, one hundred thousand, one hundred eight".