113155313 has 4 divisors (see below), whose sum is σ = 113969520. Its totient is φ = 112341108.

The previous prime is 113155309. The next prime is 113155319. The reversal of 113155313 is 313551311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313551311 = 59 ⋅5314429.

It is a cyclic number.

It is not a de Polignac number, because 113155313 - 2² = 113155309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113155319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406895 + ... + 407172.

It is an arithmetic number, because the mean of its divisors is an integer number (28492380).

Almost surely, 2^113155313 is an apocalyptic number.

It is an amenable number.

113155313 is a deficient number, since it is larger than the sum of its proper divisors (814207).

113155313 is an equidigital number, since it uses as much as digits as its factorization.

113155313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814206.

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

The square root of 113155313 is about 10637.4486132719. The cubic root of 113155313 is about 483.6802081787.

The spelling of 113155313 in words is "one hundred thirteen million, one hundred fifty-five thousand, three hundred thirteen".