1317031261453 has 2 divisors, whose sum is σ = 1317031261454. Its totient is φ = 1317031261452.

The previous prime is 1317031261439. The next prime is 1317031261477. The reversal of 1317031261453 is 3541621307131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1272966114564 + 44065146889 = 1128258^2 + 209917^2 .

It is a cyclic number.

It is not a de Polignac number, because 1317031261453 - 2²⁵ = 1316997707021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317031261153) 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, 658515630726 + 658515630727.

It is an arithmetic number, because the mean of its divisors is an integer number (658515630727).

Almost surely, 2^{1317031261453} is an apocalyptic number.

It is an amenable number.

1317031261453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317031261453 is an equidigital number, since it uses as much as digits as its factorization.

1317031261453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

Adding to 1317031261453 its reverse (3541621307131), we get a palindrome (4858652568584).

The spelling of 1317031261453 in words is "one trillion, three hundred seventeen billion, thirty-one million, two hundred sixty-one thousand, four hundred fifty-three".