113420557231 has 2 divisors, whose sum is σ = 113420557232. Its totient is φ = 113420557230.

The previous prime is 113420557207. The next prime is 113420557241. The reversal of 113420557231 is 132755024311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113420557231 - 2²⁹ = 112883686319 is a prime.

It is a super-2 number, since 2×113420557231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113420557241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56710278615 + 56710278616.

It is an arithmetic number, because the mean of its divisors is an integer number (56710278616).

Almost surely, 2^113420557231 is an apocalyptic number.

113420557231 is a deficient number, since it is larger than the sum of its proper divisors (1).

113420557231 is an equidigital number, since it uses as much as digits as its factorization.

113420557231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 113420557231 in words is "one hundred thirteen billion, four hundred twenty million, five hundred fifty-seven thousand, two hundred thirty-one".