113312551 has 8 divisors (see below), whose sum is σ = 123949584. Its totient is φ = 102731520.

The previous prime is 113312527. The next prime is 113312557. The reversal of 113312551 is 155213311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113312551 - 2⁵ = 113312519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113312557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9706 + ... + 17911.

It is an arithmetic number, because the mean of its divisors is an integer number (15493698).

Almost surely, 2^113312551 is an apocalyptic number.

113312551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113312551 is a deficient number, since it is larger than the sum of its proper divisors (10637033).

113312551 is a wasteful number, since it uses less digits than its factorization.

113312551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28001.

The product of its digits is 450, while the sum is 22.

The square root of 113312551 is about 10644.8368235497. The cubic root of 113312551 is about 483.9041414217.

Adding to 113312551 its reverse (155213311), we get a palindrome (268525862).

The spelling of 113312551 in words is "one hundred thirteen million, three hundred twelve thousand, five hundred fifty-one".