116145431 has 2 divisors, whose sum is σ = 116145432. Its totient is φ = 116145430.

The previous prime is 116145401. The next prime is 116145433. The reversal of 116145431 is 134541611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116145431 is a prime.

It is a super-2 number, since 2×116145431² = 26979522284351522, which contains 22 as substring.

Together with 116145433, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116145431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116145433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58072715 + 58072716.

It is an arithmetic number, because the mean of its divisors is an integer number (58072716).

Almost surely, 2^116145431 is an apocalyptic number.

116145431 is a deficient number, since it is larger than the sum of its proper divisors (1).

116145431 is an equidigital number, since it uses as much as digits as its factorization.

116145431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 26.

The square root of 116145431 is about 10777.0789641721. The cubic root of 116145431 is about 487.9036233016.

The spelling of 116145431 in words is "one hundred sixteen million, one hundred forty-five thousand, four hundred thirty-one".