116393431 has 16 divisors (see below), whose sum is σ = 145490688. Its totient is φ = 90460800.

The previous prime is 116393413. The next prime is 116393471. The reversal of 116393431 is 134393611.

It is a cyclic number.

It is not a de Polignac number, because 116393431 - 2¹⁵ = 116360663 is a prime.

It is a super-2 number, since 2×116393431² = 27094861559903522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 116393393 and 116393402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116393401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31596 + ... + 35086.

It is an arithmetic number, because the mean of its divisors is an integer number (9093168).

Almost surely, 2^116393431 is an apocalyptic number.

116393431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116393431 is a deficient number, since it is larger than the sum of its proper divisors (29097257).

116393431 is a wasteful number, since it uses less digits than its factorization.

116393431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942.

The product of its digits is 5832, while the sum is 31.

The square root of 116393431 is about 10788.5787293786. The cubic root of 116393431 is about 488.2506424871.

The spelling of 116393431 in words is "one hundred sixteen million, three hundred ninety-three thousand, four hundred thirty-one".