1312341013 has 2 divisors, whose sum is σ = 1312341014. Its totient is φ = 1312341012.

The previous prime is 1312340999. The next prime is 1312341053. The reversal of 1312341013 is 3101432131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1139602564 + 172738449 = 33758^2 + 13143^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312341013 - 2⁹ = 1312340501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312341053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656170506 + 656170507.

It is an arithmetic number, because the mean of its divisors is an integer number (656170507).

Almost surely, 2^1312341013 is an apocalyptic number.

It is an amenable number.

1312341013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312341013 is an equidigital number, since it uses as much as digits as its factorization.

1312341013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1312341013 is about 36226.2475699595. The cubic root of 1312341013 is about 1094.8355745132.

Adding to 1312341013 its reverse (3101432131), we get a palindrome (4413773144).

The spelling of 1312341013 in words is "one billion, three hundred twelve million, three hundred forty-one thousand, thirteen".