1312131031201 has 16 divisors (see below), whose sum is σ = 1334117433600. Its totient is φ = 1290321197568.

The previous prime is 1312131031199. The next prime is 1312131031213. The reversal of 1312131031201 is 1021301312131.

It is a cyclic number.

It is not a de Polignac number, because 1312131031201 - 2¹ = 1312131031199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312131031261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89625240 + ... + 89639878.

It is an arithmetic number, because the mean of its divisors is an integer number (83382339600).

Almost surely, 2^{1312131031201} is an apocalyptic number.

It is an amenable number.

1312131031201 is a deficient number, since it is larger than the sum of its proper divisors (21986402399).

1312131031201 is a wasteful number, since it uses less digits than its factorization.

1312131031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20568.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1312131031201 its reverse (1021301312131), we get a palindrome (2333432343332).

The spelling of 1312131031201 in words is "one trillion, three hundred twelve billion, one hundred thirty-one million, thirty-one thousand, two hundred one".