113131023210 has 48 divisors (see below), whose sum is σ = 294529398696. Its totient is φ = 30128402304.

The previous prime is 113131023193. The next prime is 113131023211. The reversal of 113131023210 is 12320131311.

113131023210 is a `hidden beast` number, since 1 + 1 + 31 + 310 + 2 + 321 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 71592099489 + 41538923721 = 267567^2 + 203811^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (113131023211) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 762129 + ... + 898388.

Almost surely, 2^113131023210 is an apocalyptic number.

113131023210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113131023210 is an abundant number, since it is smaller than the sum of its proper divisors (181398375486).

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

113131023210 is a wasteful number, since it uses less digits than its factorization.

113131023210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661287 (or 1661284 counting only the distinct ones).

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

Adding to 113131023210 its reverse (12320131311), we get a palindrome (125451154521).

The spelling of 113131023210 in words is "one hundred thirteen billion, one hundred thirty-one million, twenty-three thousand, two hundred ten".