118417331 has 2 divisors, whose sum is σ = 118417332. Its totient is φ = 118417330.

The previous prime is 118417301. The next prime is 118417337. The reversal of 118417331 is 133714811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118417331 is a prime.

It is a super-2 number, since 2×118417331² = 28045328562327122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 118417294 and 118417303.

It is not a weakly prime, because it can be changed into another prime (118417337) 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 as a sum of consecutive naturals, namely, 59208665 + 59208666.

It is an arithmetic number, because the mean of its divisors is an integer number (59208666).

Almost surely, 2^118417331 is an apocalyptic number.

118417331 is a deficient number, since it is larger than the sum of its proper divisors (1).

118417331 is an equidigital number, since it uses as much as digits as its factorization.

118417331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 29.

The square root of 118417331 is about 10881.9727531363. The cubic root of 118417331 is about 491.0643682645.

The spelling of 118417331 in words is "one hundred eighteen million, four hundred seventeen thousand, three hundred thirty-one".