117312934 has 4 divisors (see below), whose sum is σ = 175969404. Its totient is φ = 58656466.

The previous prime is 117312929. The next prime is 117312953. The reversal of 117312934 is 439213711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 439213711 = 113 ⋅3886847.

It is a junction number, because it is equal to n+sod(n) for n = 117312896 and 117312905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29328232 + ... + 29328235.

It is an arithmetic number, because the mean of its divisors is an integer number (43992351).

Almost surely, 2^117312934 is an apocalyptic number.

117312934 is a deficient number, since it is larger than the sum of its proper divisors (58656470).

117312934 is an equidigital number, since it uses as much as digits as its factorization.

117312934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58656469.

The product of its digits is 4536, while the sum is 31.

The square root of 117312934 is about 10831.1095461176. The cubic root of 117312934 is about 489.5329911132.

Subtracting from 117312934 its sum of digits (31), we obtain a triangular number (117312903 = T₁₅₃₁₇).

The spelling of 117312934 in words is "one hundred seventeen million, three hundred twelve thousand, nine hundred thirty-four".