231402332004 has 12 divisors (see below), whose sum is σ = 539938774704. Its totient is φ = 77134110664.

The previous prime is 231402331999. The next prime is 231402332009. The reversal of 231402332004 is 400233204132.

It is an interprime number because it is at equal distance from previous prime (231402331999) and next prime (231402332009).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (231402332009) 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, 9641763822 + ... + 9641763845.

It is an arithmetic number, because the mean of its divisors is an integer number (44994897892).

Almost surely, 2^231402332004 is an apocalyptic number.

It is an amenable number.

231402332004 is an abundant number, since it is smaller than the sum of its proper divisors (308536442700).

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

231402332004 is a wasteful number, since it uses less digits than its factorization.

231402332004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19283527674 (or 19283527672 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 231402332004 its reverse (400233204132), we get a palindrome (631635536136).

The spelling of 231402332004 in words is "two hundred thirty-one billion, four hundred two million, three hundred thirty-two thousand, four".