113031722820 has 48 divisors (see below), whose sum is σ = 316509439680. Its totient is φ = 30139829376.

The previous prime is 113031722819. The next prime is 113031722851. The reversal of 113031722820 is 28227130311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026979 + ... + 1131701.

It is an arithmetic number, because the mean of its divisors is an integer number (6593946660).

Almost surely, 2^113031722820 is an apocalyptic number.

113031722820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113031722820 is an abundant number, since it is smaller than the sum of its proper divisors (203477716860).

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

113031722820 is a wasteful number, since it uses less digits than its factorization.

113031722820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122724 (or 122722 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 113031722820 in words is "one hundred thirteen billion, thirty-one million, seven hundred twenty-two thousand, eight hundred twenty".