113013020320 has 48 divisors (see below), whose sum is σ = 267068444328. Its totient is φ = 45192478720.

The previous prime is 113013020303. The next prime is 113013020353. The reversal of 113013020320 is 23020310311.

It can be written as a sum of positive squares in 4 ways, for example, as 84986242576 + 28026777744 = 291524^2 + 167412^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 113013020294 and 113013020303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481080 + ... + 676360.

Almost surely, 2^113013020320 is an apocalyptic number.

113013020320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113013020320 is an abundant number, since it is smaller than the sum of its proper divisors (154055424008).

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

113013020320 is a wasteful number, since it uses less digits than its factorization.

113013020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198913 (or 198905 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 113013020320 its reverse (23020310311), we get a palindrome (136033330631).

The spelling of 113013020320 in words is "one hundred thirteen billion, thirteen million, twenty thousand, three hundred twenty".