113161317 has 4 divisors (see below), whose sum is σ = 150881760. Its totient is φ = 75440876.

The previous prime is 113161303. The next prime is 113161327. The reversal of 113161317 is 713161311.

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.

It is a cyclic number.

It is not a de Polignac number, because 113161317 - 2¹⁵ = 113128549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113161327) 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, 18860217 + ... + 18860222.

It is an arithmetic number, because the mean of its divisors is an integer number (37720440).

Almost surely, 2^113161317 is an apocalyptic number.

It is an amenable number.

113161317 is a deficient number, since it is larger than the sum of its proper divisors (37720443).

113161317 is an equidigital number, since it uses as much as digits as its factorization.

113161317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37720442.

The product of its digits is 378, while the sum is 24.

The square root of 113161317 is about 10637.7308200574. The cubic root of 113161317 is about 483.6887626882.

The spelling of 113161317 in words is "one hundred thirteen million, one hundred sixty-one thousand, three hundred seventeen".