231409304 has 32 divisors (see below), whose sum is σ = 525048480. Its totient is φ = 93341184.

The previous prime is 231409271. The next prime is 231409331. The reversal of 231409304 is 403904132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120587 + ... + 122490.

It is an arithmetic number, because the mean of its divisors is an integer number (16407765).

Almost surely, 2^231409304 is an apocalyptic number.

It is an amenable number.

231409304 is an abundant number, since it is smaller than the sum of its proper divisors (293639176).

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

231409304 is a wasteful number, since it uses less digits than its factorization.

231409304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243107 (or 243103 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 231409304 is about 15212.1433072398. The cubic root of 231409304 is about 613.9414261517.

The spelling of 231409304 in words is "two hundred thirty-one million, four hundred nine thousand, three hundred four".