1021323113297 has 2 divisors, whose sum is σ = 1021323113298. Its totient is φ = 1021323113296.

The previous prime is 1021323113263. The next prime is 1021323113341. The reversal of 1021323113297 is 7923113231201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 851724106321 + 169599006976 = 922889^2 + 411824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1021323113297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021323113597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510661556648 + 510661556649.

It is an arithmetic number, because the mean of its divisors is an integer number (510661556649).

Almost surely, 2^{1021323113297} is an apocalyptic number.

It is an amenable number.

1021323113297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021323113297 is an equidigital number, since it uses as much as digits as its factorization.

1021323113297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

Adding to 1021323113297 its reverse (7923113231201), we get a palindrome (8944436344498).

The spelling of 1021323113297 in words is "one trillion, twenty-one billion, three hundred twenty-three million, one hundred thirteen thousand, two hundred ninety-seven".