2312131112204 has 6 divisors (see below), whose sum is σ = 4046229446364. Its totient is φ = 1156065556100.

The previous prime is 2312131112191. The next prime is 2312131112209. The reversal of 2312131112204 is 4022111312132.

It is a self number, because there is not a number n which added to its sum of digits gives 2312131112204.

It is not an unprimeable number, because it can be changed into a prime (2312131112209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289016389022 + ... + 289016389029.

It is an arithmetic number, because the mean of its divisors is an integer number (674371574394).

Almost surely, 2^{2312131112204} is an apocalyptic number.

It is an amenable number.

2312131112204 is a deficient number, since it is larger than the sum of its proper divisors (1734098334160).

2312131112204 is a wasteful number, since it uses less digits than its factorization.

2312131112204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578032778055 (or 578032778053 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 2312131112204 its reverse (4022111312132), we get a palindrome (6334242424336).

The spelling of 2312131112204 in words is "two trillion, three hundred twelve billion, one hundred thirty-one million, one hundred twelve thousand, two hundred four".