116431533 has 8 divisors (see below), whose sum is σ = 172491200. Its totient is φ = 77621004.

The previous prime is 116431529. The next prime is 116431547. The reversal of 116431533 is 335134611.

116431533 is a `hidden beast` number, since 1 + 1 + 643 + 15 + 3 + 3 = 666.

It is not a de Polignac number, because 116431533 - 2² = 116431529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4312279 = 116431533 / (1 + 1 + 6 + 4 + 3 + 1 + 5 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116431497 and 116431506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116431583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2156113 + ... + 2156166.

It is an arithmetic number, because the mean of its divisors is an integer number (21561400).

Almost surely, 2^116431533 is an apocalyptic number.

It is an amenable number.

116431533 is a deficient number, since it is larger than the sum of its proper divisors (56059667).

116431533 is an equidigital number, since it uses as much as digits as its factorization.

116431533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312288 (or 4312282 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 116431533 is about 10790.3444337982. The cubic root of 116431533 is about 488.3039138107.

It can be divided in two parts, 116431 and 533, that added together give a square (116964 = 342²).

The spelling of 116431533 in words is "one hundred sixteen million, four hundred thirty-one thousand, five hundred thirty-three".