2231204312404 has 72 divisors (see below), whose sum is σ = 4305377784960. Its totient is φ = 1009693954368.

The previous prime is 2231204312399. The next prime is 2231204312443. The reversal of 2231204312404 is 4042134021322.

It is a super-3 number, since 3×2231204312404³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27292662 + ... + 27374290.

It is an arithmetic number, because the mean of its divisors is an integer number (59796913680).

Almost surely, 2^{2231204312404} is an apocalyptic number.

It is an amenable number.

2231204312404 is a deficient number, since it is larger than the sum of its proper divisors (2074173472556).

2231204312404 is a wasteful number, since it uses less digits than its factorization.

2231204312404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82517 (or 82496 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2231204312404 its reverse (4042134021322), we get a palindrome (6273338333726).

The spelling of 2231204312404 in words is "two trillion, two hundred thirty-one billion, two hundred four million, three hundred twelve thousand, four hundred four".