117102831 has 8 divisors (see below), whose sum is σ = 156212784. Its totient is φ = 78030720.

The previous prime is 117102809. The next prime is 117102857. The reversal of 117102831 is 138201711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117102831 - 2⁶ = 117102767 is a prime.

It is a super-2 number, since 2×117102831² = 27426146056429122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117102031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210 + ... + 15351.

It is an arithmetic number, because the mean of its divisors is an integer number (19526598).

Almost surely, 2^117102831 is an apocalyptic number.

117102831 is a deficient number, since it is larger than the sum of its proper divisors (39109953).

117102831 is a wasteful number, since it uses less digits than its factorization.

117102831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18921.

The product of its (nonzero) digits is 336, while the sum is 24.

The square root of 117102831 is about 10821.4061470772. The cubic root of 117102831 is about 489.2405714875.

It can be divided in two parts, 11710 and 2831, that added together give a palindrome (14541).

The spelling of 117102831 in words is "one hundred seventeen million, one hundred two thousand, eight hundred thirty-one".