118031378 has 4 divisors (see below), whose sum is σ = 177047070. Its totient is φ = 59015688.

The previous prime is 118031351. The next prime is 118031383. The reversal of 118031378 is 873130811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80048809 + 37982569 = 8947^2 + 6163^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29507843 + ... + 29507846.

Almost surely, 2^118031378 is an apocalyptic number.

118031378 is a deficient number, since it is larger than the sum of its proper divisors (59015692).

118031378 is an equidigital number, since it uses as much as digits as its factorization.

118031378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59015691.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 118031378 is about 10864.2246847163. The cubic root of 118031378 is about 490.5302852745.

The spelling of 118031378 in words is "one hundred eighteen million, thirty-one thousand, three hundred seventy-eight".