117431015 has 8 divisors (see below), whose sum is σ = 151757088. Its totient is φ = 86718240.

The previous prime is 117431009. The next prime is 117431023. The reversal of 117431015 is 510134711.

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 117431015 - 2²⁰ = 116382439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903251 + ... + 903380.

It is an arithmetic number, because the mean of its divisors is an integer number (18969636).

Almost surely, 2^117431015 is an apocalyptic number.

117431015 is a deficient number, since it is larger than the sum of its proper divisors (34326073).

117431015 is a wasteful number, since it uses less digits than its factorization.

117431015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806649.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 117431015 is about 10836.5591863838. The cubic root of 117431015 is about 489.6971820501.

Adding to 117431015 its reverse (510134711), we get a palindrome (627565726).

The spelling of 117431015 in words is "one hundred seventeen million, four hundred thirty-one thousand, fifteen".