118712331 has 16 divisors (see below), whose sum is σ = 177217920. Its totient is φ = 78535080.

The previous prime is 118712311. The next prime is 118712359. The reversal of 118712331 is 133217811.

It is a happy number.

It is not a de Polignac number, because 118712331 - 2⁷ = 118712203 is a prime.

It is a super-2 number, since 2×118712331² = 28185235062907122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 118712295 and 118712304.

It is not an unprimeable number, because it can be changed into a prime (118712311) 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, 13245 + ... + 20318.

It is an arithmetic number, because the mean of its divisors is an integer number (11076120).

Almost surely, 2^118712331 is an apocalyptic number.

118712331 is a deficient number, since it is larger than the sum of its proper divisors (58505589).

118712331 is a wasteful number, since it uses less digits than its factorization.

118712331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33703 (or 33697 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 118712331 is about 10895.5188495087. The cubic root of 118712331 is about 491.4718082315.

The spelling of 118712331 in words is "one hundred eighteen million, seven hundred twelve thousand, three hundred thirty-one".