118207331 has 8 divisors (see below), whose sum is σ = 131387184. Its totient is φ = 105433120.

The previous prime is 118207321. The next prime is 118207333. The reversal of 118207331 is 133702811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118207331 - 2¹⁸ = 117945187 is a prime.

It is a super-2 number, since 2×118207331² = 27945946204287122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118207331.

It is not an unprimeable number, because it can be changed into a prime (118207333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100796 + ... + 101961.

It is an arithmetic number, because the mean of its divisors is an integer number (16423398).

Almost surely, 2^118207331 is an apocalyptic number.

118207331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

118207331 is a deficient number, since it is larger than the sum of its proper divisors (13179853).

118207331 is a wasteful number, since it uses less digits than its factorization.

118207331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202821.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 118207331 is about 10872.3194857399. The cubic root of 118207331 is about 490.7739137734.

The spelling of 118207331 in words is "one hundred eighteen million, two hundred seven thousand, three hundred thirty-one".