231278804 has 12 divisors (see below), whose sum is σ = 404948544. Its totient is φ = 115579224.

The previous prime is 231278791. The next prime is 231278807. The reversal of 231278804 is 408872132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231278807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5762 + ... + 22265.

It is an arithmetic number, because the mean of its divisors is an integer number (33745712).

Almost surely, 2^231278804 is an apocalyptic number.

It is an amenable number.

231278804 is a deficient number, since it is larger than the sum of its proper divisors (173669740).

231278804 is a wasteful number, since it uses less digits than its factorization.

231278804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30094 (or 30092 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 231278804 is about 15207.8533659422. The cubic root of 231278804 is about 613.8259965930.

The spelling of 231278804 in words is "two hundred thirty-one million, two hundred seventy-eight thousand, eight hundred four".