1312300131321 has 16 divisors (see below), whose sum is σ = 1762418810880. Its totient is φ = 868524798480.

The previous prime is 1312300131299. The next prime is 1312300131347. The reversal of 1312300131321 is 1231310032131.

It is a happy number.

It is not a de Polignac number, because 1312300131321 - 2⁶ = 1312300131257 is a prime.

It is a super-2 number, since 2×1312300131321² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312300131421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8489836 + ... + 8643026.

It is an arithmetic number, because the mean of its divisors is an integer number (110151175680).

Almost surely, 2^{1312300131321} is an apocalyptic number.

It is an amenable number.

1312300131321 is a deficient number, since it is larger than the sum of its proper divisors (450118679559).

1312300131321 is a wasteful number, since it uses less digits than its factorization.

1312300131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173876.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1312300131321 its reverse (1231310032131), we get a palindrome (2543610163452).

The spelling of 1312300131321 in words is "one trillion, three hundred twelve billion, three hundred million, one hundred thirty-one thousand, three hundred twenty-one".