117331751 has 2 divisors, whose sum is σ = 117331752. Its totient is φ = 117331750.

The previous prime is 117331733. The next prime is 117331757. The reversal of 117331751 is 157133711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117331751 - 2²² = 113137447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117331757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58665875 + 58665876.

It is an arithmetic number, because the mean of its divisors is an integer number (58665876).

Almost surely, 2^117331751 is an apocalyptic number.

117331751 is a deficient number, since it is larger than the sum of its proper divisors (1).

117331751 is an equidigital number, since it uses as much as digits as its factorization.

117331751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2205, while the sum is 29.

The square root of 117331751 is about 10831.9781665216. The cubic root of 117331751 is about 489.5591634186.

The spelling of 117331751 in words is "one hundred seventeen million, three hundred thirty-one thousand, seven hundred fifty-one".