1312322131301 has 4 divisors (see below), whose sum is σ = 1344329988204. Its totient is φ = 1280314274400.

The previous prime is 1312322131247. The next prime is 1312322131303. The reversal of 1312322131301 is 1031312232131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31826203201 + 1280495928100 = 178399^2 + 1131590^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312322131301 - 2³⁸ = 1037444224357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312322131303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16003928390 + ... + 16003928471.

It is an arithmetic number, because the mean of its divisors is an integer number (336082497051).

Almost surely, 2^{1312322131301} is an apocalyptic number.

It is an amenable number.

1312322131301 is a deficient number, since it is larger than the sum of its proper divisors (32007856903).

1312322131301 is an equidigital number, since it uses as much as digits as its factorization.

1312322131301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32007856902.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1312322131301 its reverse (1031312232131), we get a palindrome (2343634363432).

The spelling of 1312322131301 in words is "one trillion, three hundred twelve billion, three hundred twenty-two million, one hundred thirty-one thousand, three hundred one".