1313202230957 has 2 divisors, whose sum is σ = 1313202230958. Its totient is φ = 1313202230956.

The previous prime is 1313202230917. The next prime is 1313202230999. The reversal of 1313202230957 is 7590322023131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1207143887401 + 106058343556 = 1098701^2 + 325666^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313202230957 - 2³² = 1308907263661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1313202230957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313202230917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656601115478 + 656601115479.

It is an arithmetic number, because the mean of its divisors is an integer number (656601115479).

Almost surely, 2^{1313202230957} is an apocalyptic number.

It is an amenable number.

1313202230957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313202230957 is an equidigital number, since it uses as much as digits as its factorization.

1313202230957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 1313202230957 in words is "one trillion, three hundred thirteen billion, two hundred two million, two hundred thirty thousand, nine hundred fifty-seven".