113451131 has 4 divisors (see below), whose sum is σ = 113484000. Its totient is φ = 113418264.

The previous prime is 113451119. The next prime is 113451181. The reversal of 113451131 is 131154311.

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 113451131 - 2¹⁰ = 113450107 is a prime.

It is a super-2 number, since 2×113451131² = 25742318250358322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113451181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10556 + ... + 18393.

It is an arithmetic number, because the mean of its divisors is an integer number (28371000).

Almost surely, 2^113451131 is an apocalyptic number.

113451131 is a deficient number, since it is larger than the sum of its proper divisors (32869).

113451131 is an equidigital number, since it uses as much as digits as its factorization.

113451131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32868.

The product of its digits is 180, while the sum is 20.

The square root of 113451131 is about 10651.3440935874. The cubic root of 113451131 is about 484.1013308658.

The spelling of 113451131 in words is "one hundred thirteen million, four hundred fifty-one thousand, one hundred thirty-one".