210312031113 has 24 divisors (see below), whose sum is σ = 316651091328. Its totient is φ = 134382501792.

The previous prime is 210312031109. The next prime is 210312031129. The reversal of 210312031113 is 311130213012.

210312031113 is a `hidden beast` number, since 210 + 312 + 0 + 31 + 113 = 666.

It is not a de Polignac number, because 210312031113 - 2² = 210312031109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210312031183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4690881 + ... + 4735502.

It is an arithmetic number, because the mean of its divisors is an integer number (13193795472).

Almost surely, 2^210312031113 is an apocalyptic number.

It is an amenable number.

210312031113 is a deficient number, since it is larger than the sum of its proper divisors (106339060215).

210312031113 is a wasteful number, since it uses less digits than its factorization.

210312031113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9426493 (or 9426490 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 210312031113 its reverse (311130213012), we get a palindrome (521442244125).

The spelling of 210312031113 in words is "two hundred ten billion, three hundred twelve million, thirty-one thousand, one hundred thirteen".