1311402299 has 2 divisors, whose sum is σ = 1311402300. Its totient is φ = 1311402298.

The previous prime is 1311402271. The next prime is 1311402329. The reversal of 1311402299 is 9922041131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1311402299 - 2²⁸ = 1042966843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1311408299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655701149 + 655701150.

It is an arithmetic number, because the mean of its divisors is an integer number (655701150).

Almost surely, 2^1311402299 is an apocalyptic number.

1311402299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311402299 is an equidigital number, since it uses as much as digits as its factorization.

1311402299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1311402299 is about 36213.2889834657. The cubic root of 1311402299 is about 1094.5744679322.

The spelling of 1311402299 in words is "one billion, three hundred eleven million, four hundred two thousand, two hundred ninety-nine".