117310405 has 4 divisors (see below), whose sum is σ = 140772492. Its totient is φ = 93848320.

The previous prime is 117310399. The next prime is 117310411. The reversal of 117310405 is 504013711.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (117310399) and next prime (117310411).

It can be written as a sum of positive squares in 2 ways, for example, as 90041121 + 27269284 = 9489^2 + 5222^2 .

It is a de Polignac number, because none of the positive numbers 2^k-117310405 is a prime.

It is a super-2 number, since 2×117310405² = 27523462242528050, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 11731036 + ... + 11731045.

It is an arithmetic number, because the mean of its divisors is an integer number (35193123).

Almost surely, 2^117310405 is an apocalyptic number.

It is an amenable number.

117310405 is a deficient number, since it is larger than the sum of its proper divisors (23462087).

117310405 is an equidigital number, since it uses as much as digits as its factorization.

117310405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23462086.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 117310405 is about 10830.9927984465. The cubic root of 117310405 is about 489.5294733487.

The spelling of 117310405 in words is "one hundred seventeen million, three hundred ten thousand, four hundred five".