113313697641 has 9 divisors (see below), whose sum is σ = 163676799741. Its totient is φ = 75541791852.

The previous prime is 113313697631. The next prime is 113313697667. The reversal of 113313697641 is 146796313311.

The square root of 113313697641 is 336621.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 113313697641 - 2³³ = 104723763049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113313697631) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 953760 + ... + 1065966.

Almost surely, 2^113313697641 is an apocalyptic number.

113313697641 is the 336621-st square number.

113313697641 is the 168311-st centered octagonal number.

It is an amenable number.

113313697641 is a deficient number, since it is larger than the sum of its proper divisors (50363102100).

113313697641 is an frugal number, since it uses more digits than its factorization.

113313697641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224420 (or 112210 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The spelling of 113313697641 in words is "one hundred thirteen billion, three hundred thirteen million, six hundred ninety-seven thousand, six hundred forty-one".