231231132202004 has 48 divisors (see below), whose sum is σ = 452260584711936. Its totient is φ = 102529623513600.

The previous prime is 231231132201991. The next prime is 231231132202013. The reversal of 231231132202004 is 400202231132132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8123624 + ... + 22988160.

It is an arithmetic number, because the mean of its divisors is an integer number (9422095514832).

Almost surely, 2^{231231132202004} is an apocalyptic number.

It is an amenable number.

231231132202004 is a deficient number, since it is larger than the sum of its proper divisors (221029452509932).

231231132202004 is a wasteful number, since it uses less digits than its factorization.

231231132202004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14873216 (or 14873214 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 231231132202004 its reverse (400202231132132), we get a palindrome (631433363334136).

The spelling of 231231132202004 in words is "two hundred thirty-one trillion, two hundred thirty-one billion, one hundred thirty-two million, two hundred two thousand, four".