117670231 has 24 divisors (see below), whose sum is σ = 144045440. Its totient is φ = 94103856.

The previous prime is 117670213. The next prime is 117670247. The reversal of 117670231 is 132076711.

It is not a de Polignac number, because 117670231 - 2¹⁷ = 117539159 is a prime.

It is a super-2 number, since 2×117670231² = 27692566527186722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117670231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117670261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158860 + ... + 159598.

Almost surely, 2^117670231 is an apocalyptic number.

117670231 is a deficient number, since it is larger than the sum of its proper divisors (26375209).

117670231 is an equidigital number, since it uses as much as digits as its factorization.

117670231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 117670231 is about 10847.5910228954. The cubic root of 117670231 is about 490.0294734458.

The spelling of 117670231 in words is "one hundred seventeen million, six hundred seventy thousand, two hundred thirty-one".