2312131132002 has 32 divisors (see below), whose sum is σ = 4655270292480. Its totient is φ = 765543214800.

The previous prime is 2312131131997. The next prime is 2312131132021. The reversal of 2312131132002 is 2002311312132.

It is a self number, because there is not a number n which added to its sum of digits gives 2312131132002.

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, 11609499 + ... + 11806977.

It is an arithmetic number, because the mean of its divisors is an integer number (145477196640).

Almost surely, 2^{2312131132002} is an apocalyptic number.

2312131132002 is an abundant number, since it is smaller than the sum of its proper divisors (2343139160478).

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

2312131132002 is a wasteful number, since it uses less digits than its factorization.

2312131132002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210558.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2312131132002 its reverse (2002311312132), we get a palindrome (4314442444134).

The spelling of 2312131132002 in words is "two trillion, three hundred twelve billion, one hundred thirty-one million, one hundred thirty-two thousand, two".