113512313 has 8 divisors (see below), whose sum is σ = 116938080. Its totient is φ = 110117920.

The previous prime is 113512279. The next prime is 113512319. The reversal of 113512313 is 313215311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113512313 - 2⁸ = 113512057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113512319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395 + ... + 15072.

It is an arithmetic number, because the mean of its divisors is an integer number (14617260).

Almost surely, 2^113512313 is an apocalyptic number.

It is an amenable number.

113512313 is a deficient number, since it is larger than the sum of its proper divisors (3425767).

113512313 is a wasteful number, since it uses less digits than its factorization.

113512313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15687.

The product of its digits is 270, while the sum is 20.

The square root of 113512313 is about 10654.2157383826. The cubic root of 113512313 is about 484.1883373880.

Adding to 113512313 its reverse (313215311), we get a palindrome (426727624).

The spelling of 113512313 in words is "one hundred thirteen million, five hundred twelve thousand, three hundred thirteen".