117031279 has 8 divisors (see below), whose sum is σ = 125280000. Its totient is φ = 108991512.

The previous prime is 117031273. The next prime is 117031283. The reversal of 117031279 is 972130711.

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

It is a cyclic number.

It is not a de Polignac number, because 117031279 - 2¹⁷ = 116900207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117031279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117031273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51079 + ... + 53320.

It is an arithmetic number, because the mean of its divisors is an integer number (15660000).

Almost surely, 2^117031279 is an apocalyptic number.

117031279 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

117031279 is a deficient number, since it is larger than the sum of its proper divisors (8248721).

117031279 is a wasteful number, since it uses less digits than its factorization.

117031279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104477.

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 117031279 is about 10818.0996020558. The cubic root of 117031279 is about 489.1409061669.

The spelling of 117031279 in words is "one hundred seventeen million, thirty-one thousand, two hundred seventy-nine".