113515331 has 4 divisors (see below), whose sum is σ = 113693064. Its totient is φ = 113337600.

The previous prime is 113515279. The next prime is 113515343. The reversal of 113515331 is 133515311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133515311 = 41 ⋅3256471.

It is a cyclic number.

It is not a de Polignac number, because 113515331 - 2¹⁰ = 113514307 is a prime.

It is a super-2 number, since 2×113515331² = 25771460744079122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113515297 and 113515306.

It is not an unprimeable number, because it can be changed into a prime (113515361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87905 + ... + 89186.

It is an arithmetic number, because the mean of its divisors is an integer number (28423266).

Almost surely, 2^113515331 is an apocalyptic number.

113515331 is a deficient number, since it is larger than the sum of its proper divisors (177733).

113515331 is an equidigital number, since it uses as much as digits as its factorization.

113515331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177732.

The product of its digits is 675, while the sum is 23.

The square root of 113515331 is about 10654.3573715171. The cubic root of 113515331 is about 484.1926284568.

The spelling of 113515331 in words is "one hundred thirteen million, five hundred fifteen thousand, three hundred thirty-one".