1322310961537 has 2 divisors, whose sum is σ = 1322310961538. Its totient is φ = 1322310961536.

The previous prime is 1322310961513. The next prime is 1322310961571. The reversal of 1322310961537 is 7351690132231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 875564432656 + 446746528881 = 935716^2 + 668391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322310961537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1322310961493 and 1322310961502.

It is not a weakly prime, because it can be changed into another prime (1322310961637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661155480768 + 661155480769.

It is an arithmetic number, because the mean of its divisors is an integer number (661155480769).

Almost surely, 2^{1322310961537} is an apocalyptic number.

It is an amenable number.

1322310961537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322310961537 is an equidigital number, since it uses as much as digits as its factorization.

1322310961537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 1322310961537 in words is "one trillion, three hundred twenty-two billion, three hundred ten million, nine hundred sixty-one thousand, five hundred thirty-seven".