113291530 has 32 divisors (see below), whose sum is σ = 225296640. Its totient is φ = 40672320.

The previous prime is 113291527. The next prime is 113291561. The reversal of 113291530 is 35192311.

It is a junction number, because it is equal to n+sod(n) for n = 113291495 and 113291504.

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, 2172 + ... + 15208.

It is an arithmetic number, because the mean of its divisors is an integer number (7040520).

Almost surely, 2^113291530 is an apocalyptic number.

113291530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113291530 is a deficient number, since it is larger than the sum of its proper divisors (112005110).

113291530 is a wasteful number, since it uses less digits than its factorization.

113291530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13134.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 113291530 is about 10643.8493976568. The cubic root of 113291530 is about 483.8742159987.

The spelling of 113291530 in words is "one hundred thirteen million, two hundred ninety-one thousand, five hundred thirty".