113430731 has 2 divisors, whose sum is σ = 113430732. Its totient is φ = 113430730.

The previous prime is 113430727. The next prime is 113430739. The reversal of 113430731 is 137034311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113430731 - 2² = 113430727 is a prime.

It is a super-2 number, since 2×113430731² = 25733061470388722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113430697 and 113430706.

It is not a weakly prime, because it can be changed into another prime (113430739) 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 as a sum of consecutive naturals, namely, 56715365 + 56715366.

It is an arithmetic number, because the mean of its divisors is an integer number (56715366).

Almost surely, 2^113430731 is an apocalyptic number.

113430731 is a deficient number, since it is larger than the sum of its proper divisors (1).

113430731 is an equidigital number, since it uses as much as digits as its factorization.

113430731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 113430731 is about 10650.3864249144. The cubic root of 113430731 is about 484.0723132055.

The spelling of 113430731 in words is "one hundred thirteen million, four hundred thirty thousand, seven hundred thirty-one".