117153231 has 16 divisors (see below), whose sum is σ = 169438080. Its totient is φ = 71572320.

The previous prime is 117153217. The next prime is 117153263. The reversal of 117153231 is 132351711.

It is a happy number.

It is not a de Polignac number, because 117153231 - 2⁶ = 117153167 is a prime.

It is a super-2 number, since 2×117153231² = 27449759067478722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117153271) 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, 5385 + ... + 16226.

It is an arithmetic number, because the mean of its divisors is an integer number (10589880).

Almost surely, 2^117153231 is an apocalyptic number.

117153231 is a deficient number, since it is larger than the sum of its proper divisors (52284849).

117153231 is a wasteful number, since it uses less digits than its factorization.

117153231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21766.

The product of its digits is 630, while the sum is 24.

The square root of 117153231 is about 10823.7346142632. The cubic root of 117153231 is about 489.3107496604.

The spelling of 117153231 in words is "one hundred seventeen million, one hundred fifty-three thousand, two hundred thirty-one".