118031328 has 36 divisors (see below), whose sum is σ = 335652408. Its totient is φ = 39343680.

The previous prime is 118031321. The next prime is 118031341. The reversal of 118031328 is 823130811.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×118031328³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118031321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 204628 + ... + 205203.

It is an arithmetic number, because the mean of its divisors is an integer number (9323678).

Almost surely, 2^118031328 is an apocalyptic number.

118031328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

118031328 is an abundant number, since it is smaller than the sum of its proper divisors (217621080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118031328 is a wasteful number, since it uses less digits than its factorization.

118031328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409847 (or 409836 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 118031328 is about 10864.2223835855. Note that the first 3 decimals coincide. The cubic root of 118031328 is about 490.5302160090.

It can be divided in two parts, 11803 and 1328, that added together give a palindrome (13131).

The spelling of 118031328 in words is "one hundred eighteen million, thirty-one thousand, three hundred twenty-eight".