116431231 has 16 divisors (see below), whose sum is σ = 135023616. Its totient is φ = 98341056.

The previous prime is 116431223. The next prime is 116431241. The reversal of 116431231 is 132134611.

It is a cyclic number.

It is not a de Polignac number, because 116431231 - 2³ = 116431223 is a prime.

It is a super-2 number, since 2×116431231² = 27112463104350722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116431241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159790 + ... + 160516.

It is an arithmetic number, because the mean of its divisors is an integer number (8438976).

Almost surely, 2^116431231 is an apocalyptic number.

116431231 is a deficient number, since it is larger than the sum of its proper divisors (18592385).

116431231 is a wasteful number, since it uses less digits than its factorization.

116431231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038.

The product of its digits is 432, while the sum is 22.

The square root of 116431231 is about 10790.3304397965. The cubic root of 116431231 is about 488.3034916229.

Adding to 116431231 its reverse (132134611), we get a palindrome (248565842).

The spelling of 116431231 in words is "one hundred sixteen million, four hundred thirty-one thousand, two hundred thirty-one".