231078204 has 96 divisors (see below), whose sum is σ = 687464960. Its totient is φ = 65753856.

The previous prime is 231078193. The next prime is 231078227. The reversal of 231078204 is 402870132.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254319 + ... + 255225.

Almost surely, 2^231078204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231078204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343732480).

231078204 is an abundant number, since it is smaller than the sum of its proper divisors (456386756).

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

231078204 is a wasteful number, since it uses less digits than its factorization.

231078204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 231078204 is about 15201.2566585793. The cubic root of 231078204 is about 613.6484776419.

The spelling of 231078204 in words is "two hundred thirty-one million, seventy-eight thousand, two hundred four".