231380078 has 16 divisors (see below), whose sum is σ = 352870224. Its totient is φ = 113762880.

The previous prime is 231380059. The next prime is 231380087. The reversal of 231380078 is 870083132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100298 + ... + 102578.

It is an arithmetic number, because the mean of its divisors is an integer number (22054389).

Almost surely, 2^231380078 is an apocalyptic number.

231380078 is a deficient number, since it is larger than the sum of its proper divisors (121490146).

231380078 is a wasteful number, since it uses less digits than its factorization.

231380078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 231380078 is about 15211.1826627649. The cubic root of 231380078 is about 613.9155790095.

The spelling of 231380078 in words is "two hundred thirty-one million, three hundred eighty thousand, seventy-eight".