113344312031 has 4 divisors (see below), whose sum is σ = 114940710864. Its totient is φ = 111747913200.

The previous prime is 113344312027. The next prime is 113344312063. The reversal of 113344312031 is 130213443311.

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 113344312031 - 2² = 113344312027 is a prime.

It is a super-2 number, since 2×113344312031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113344312231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798199310 + ... + 798199451.

It is an arithmetic number, because the mean of its divisors is an integer number (28735177716).

Almost surely, 2^113344312031 is an apocalyptic number.

113344312031 is a deficient number, since it is larger than the sum of its proper divisors (1596398833).

113344312031 is an equidigital number, since it uses as much as digits as its factorization.

113344312031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596398832.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 113344312031 its reverse (130213443311), we get a palindrome (243557755342).

The spelling of 113344312031 in words is "one hundred thirteen billion, three hundred forty-four million, three hundred twelve thousand, thirty-one".