232331004 has 60 divisors (see below), whose sum is σ = 633786384. Its totient is φ = 74074176.

The previous prime is 232331003. The next prime is 232331059. The reversal of 232331004 is 400133232.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232331003) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 8137 + ... + 23040.

Almost surely, 2^232331004 is an apocalyptic number.

It is an amenable number.

232331004 is an abundant number, since it is smaller than the sum of its proper divisors (401455380).

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

232331004 is a wasteful number, since it uses less digits than its factorization.

232331004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31216 (or 31205 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 232331004 is about 15242.4080774660. The cubic root of 232331004 is about 614.7554530396.

Adding to 232331004 its reverse (400133232), we get a palindrome (632464236).

The spelling of 232331004 in words is "two hundred thirty-two million, three hundred thirty-one thousand, four".