113718431 has 2 divisors, whose sum is σ = 113718432. Its totient is φ = 113718430.

The previous prime is 113718421. The next prime is 113718469. The reversal of 113718431 is 134817311.

It is a weak prime.

It is an emirp because it is prime and its reverse (134817311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113718431 - 2¹⁰ = 113717407 is a prime.

It is a super-2 number, since 2×113718431² = 25863763098203522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 113718394 and 113718403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113718421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56859215 + 56859216.

It is an arithmetic number, because the mean of its divisors is an integer number (56859216).

Almost surely, 2^113718431 is an apocalyptic number.

113718431 is a deficient number, since it is larger than the sum of its proper divisors (1).

113718431 is an equidigital number, since it uses as much as digits as its factorization.

113718431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 29.

The square root of 113718431 is about 10663.8844236047. The cubic root of 113718431 is about 484.4812265724.

The spelling of 113718431 in words is "one hundred thirteen million, seven hundred eighteen thousand, four hundred thirty-one".