116403431 has 2 divisors, whose sum is σ = 116403432. Its totient is φ = 116403430.

The previous prime is 116403373. The next prime is 116403439. The reversal of 116403431 is 134304611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116403431 is a prime.

It is a super-2 number, since 2×116403431² = 27099517497143522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 116403397 and 116403406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116403439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58201715 + 58201716.

It is an arithmetic number, because the mean of its divisors is an integer number (58201716).

Almost surely, 2^116403431 is an apocalyptic number.

116403431 is a deficient number, since it is larger than the sum of its proper divisors (1).

116403431 is an equidigital number, since it uses as much as digits as its factorization.

116403431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 116403431 is about 10789.0421725008. The cubic root of 116403431 is about 488.2646248530.

The spelling of 116403431 in words is "one hundred sixteen million, four hundred three thousand, four hundred thirty-one".