1312980353 has 2 divisors, whose sum is σ = 1312980354. Its totient is φ = 1312980352.

The previous prime is 1312980341. The next prime is 1312980359. The reversal of 1312980353 is 3530892131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1308413584 + 4566769 = 36172^2 + 2137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312980353 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312980359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656490176 + 656490177.

It is an arithmetic number, because the mean of its divisors is an integer number (656490177).

Almost surely, 2^1312980353 is an apocalyptic number.

It is an amenable number.

1312980353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312980353 is an equidigital number, since it uses as much as digits as its factorization.

1312980353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1312980353 is about 36235.0707602455. The cubic root of 1312980353 is about 1095.0133378969.

The spelling of 1312980353 in words is "one billion, three hundred twelve million, nine hundred eighty thousand, three hundred fifty-three".