118880631 has 12 divisors (see below), whose sum is σ = 172489408. Its totient is φ = 78897024.

The previous prime is 118880621. The next prime is 118880647. The reversal of 118880631 is 136088811.

118880631 is a `hidden beast` number, since 1 + 18 + 8 + 8 + 0 + 631 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-118880631 is a prime.

It is a super-2 number, since 2×118880631² = 28265208853916322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118880611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27610 + ... + 31623.

Almost surely, 2^118880631 is an apocalyptic number.

118880631 is a deficient number, since it is larger than the sum of its proper divisors (53608777).

118880631 is a wasteful number, since it uses less digits than its factorization.

118880631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59462 (or 59459 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 118880631 is about 10903.2394727439. The cubic root of 118880631 is about 491.7039538640.

The spelling of 118880631 in words is "one hundred eighteen million, eight hundred eighty thousand, six hundred thirty-one".