1313200297 has 2 divisors, whose sum is σ = 1313200298. Its totient is φ = 1313200296.

The previous prime is 1313200289. The next prime is 1313200307. The reversal of 1313200297 is 7920023131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1312178176 + 1022121 = 36224^2 + 1011^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313200297 - 2³ = 1313200289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313200277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656600148 + 656600149.

It is an arithmetic number, because the mean of its divisors is an integer number (656600149).

Almost surely, 2^1313200297 is an apocalyptic number.

It is an amenable number.

1313200297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313200297 is an equidigital number, since it uses as much as digits as its factorization.

1313200297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 1313200297 is about 36238.1055934220. The cubic root of 1313200297 is about 1095.0744782296.

The spelling of 1313200297 in words is "one billion, three hundred thirteen million, two hundred thousand, two hundred ninety-seven".