118908331 has 4 divisors (see below), whose sum is σ = 118931992. Its totient is φ = 118884672.

The previous prime is 118908329. The next prime is 118908341. The reversal of 118908331 is 133809811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133809811 = 10267 ⋅13033.

It is a cyclic number.

It is not a de Polignac number, because 118908331 - 2¹ = 118908329 is a prime.

It is a super-2 number, since 2×118908331² = 28278382362411122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118908311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966 + ... + 15451.

It is an arithmetic number, because the mean of its divisors is an integer number (29732998).

Almost surely, 2^118908331 is an apocalyptic number.

118908331 is a deficient number, since it is larger than the sum of its proper divisors (23661).

118908331 is an equidigital number, since it uses as much as digits as its factorization.

118908331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23660.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 118908331 is about 10904.5096634374. The cubic root of 118908331 is about 491.7421410261.

The spelling of 118908331 in words is "one hundred eighteen million, nine hundred eight thousand, three hundred thirty-one".