113273131 has 4 divisors (see below), whose sum is σ = 113304672. Its totient is φ = 113241592.

The previous prime is 113273129. The next prime is 113273161. The reversal of 113273131 is 131372311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113273131 - 2¹ = 113273129 is a prime.

It is a super-2 number, since 2×113273131² = 25661604413086322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113273161) 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, 9571 + ... + 17836.

It is an arithmetic number, because the mean of its divisors is an integer number (28326168).

Almost surely, 2^113273131 is an apocalyptic number.

113273131 is a deficient number, since it is larger than the sum of its proper divisors (31541).

113273131 is an equidigital number, since it uses as much as digits as its factorization.

113273131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31540.

The product of its digits is 378, while the sum is 22.

The square root of 113273131 is about 10642.9850605927. The cubic root of 113273131 is about 483.8480202078.

The spelling of 113273131 in words is "one hundred thirteen million, two hundred seventy-three thousand, one hundred thirty-one".