116189431 has 2 divisors, whose sum is σ = 116189432. Its totient is φ = 116189430.

The previous prime is 116189419. The next prime is 116189453. The reversal of 116189431 is 134981611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116189431 - 2¹⁷ = 116058359 is a prime.

It is a super-2 number, since 2×116189431² = 26999967752207522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116189461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58094715 + 58094716.

It is an arithmetic number, because the mean of its divisors is an integer number (58094716).

Almost surely, 2^116189431 is an apocalyptic number.

116189431 is a deficient number, since it is larger than the sum of its proper divisors (1).

116189431 is an equidigital number, since it uses as much as digits as its factorization.

116189431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 34.

The square root of 116189431 is about 10779.1201403454. The cubic root of 116189431 is about 487.9652272433.

The spelling of 116189431 in words is "one hundred sixteen million, one hundred eighty-nine thousand, four hundred thirty-one".