1322312113513 has 2 divisors, whose sum is σ = 1322312113514. Its totient is φ = 1322312113512.

The previous prime is 1322312113481. The next prime is 1322312113531. The reversal of 1322312113513 is 3153112132231.

Together with next prime (1322312113531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1195670080089 + 126642033424 = 1093467^2 + 355868^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322312113513 - 2⁵ = 1322312113481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1322312113813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661156056756 + 661156056757.

It is an arithmetic number, because the mean of its divisors is an integer number (661156056757).

Almost surely, 2^{1322312113513} is an apocalyptic number.

It is an amenable number.

1322312113513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322312113513 is an equidigital number, since it uses as much as digits as its factorization.

1322312113513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

Adding to 1322312113513 its reverse (3153112132231), we get a palindrome (4475424245744).

The spelling of 1322312113513 in words is "one trillion, three hundred twenty-two billion, three hundred twelve million, one hundred thirteen thousand, five hundred thirteen".