113251530 has 32 divisors (see below), whose sum is σ = 310633344. Its totient is φ = 25886016.

The previous prime is 113251511. The next prime is 113251559. The reversal of 113251530 is 35152311.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 113251497 and 113251506.

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, 269437 + ... + 269856.

It is an arithmetic number, because the mean of its divisors is an integer number (9707292).

Almost surely, 2^113251530 is an apocalyptic number.

113251530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113251530 is an abundant number, since it is smaller than the sum of its proper divisors (197381814).

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

113251530 is a wasteful number, since it uses less digits than its factorization.

113251530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539310.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 113251530 is about 10641.9702123244. The cubic root of 113251530 is about 483.8172619117.

The spelling of 113251530 in words is "one hundred thirteen million, two hundred fifty-one thousand, five hundred thirty".