118330131 has 8 divisors (see below), whose sum is σ = 162863104. Its totient is φ = 76341960.

The previous prime is 118330129. The next prime is 118330139. The reversal of 118330131 is 131033811.

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

It is not a de Polignac number, because 118330131 - 2¹ = 118330129 is a prime.

It is a super-2 number, since 2×118330131² = 28004039804954322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118330098 and 118330107.

It is not an unprimeable number, because it can be changed into a prime (118330139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636091 + ... + 636276.

It is an arithmetic number, because the mean of its divisors is an integer number (20357888).

Almost surely, 2^118330131 is an apocalyptic number.

118330131 is a deficient number, since it is larger than the sum of its proper divisors (44532973).

118330131 is a wasteful number, since it uses less digits than its factorization.

118330131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272401.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 118330131 is about 10877.9653888032. The cubic root of 118330131 is about 490.9438022188.

Adding to 118330131 its reverse (131033811), we get a palindrome (249363942).

The spelling of 118330131 in words is "one hundred eighteen million, three hundred thirty thousand, one hundred thirty-one".