1313012999 has 2 divisors, whose sum is σ = 1313013000. Its totient is φ = 1313012998.

The previous prime is 1313012977. The next prime is 1313013047. The reversal of 1313012999 is 9992103131.

It is a weak prime.

It is an emirp because it is prime and its reverse (9992103131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313012999 - 2¹² = 1313008903 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313012929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656506499 + 656506500.

It is an arithmetic number, because the mean of its divisors is an integer number (656506500).

Almost surely, 2^1313012999 is an apocalyptic number.

1313012999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313012999 is an equidigital number, since it uses as much as digits as its factorization.

1313012999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 38.

The square root of 1313012999 is about 36235.5212326248. The cubic root of 1313012999 is about 1095.0224133080.

The spelling of 1313012999 in words is "one billion, three hundred thirteen million, twelve thousand, nine hundred ninety-nine".