12311464013 has 2 divisors, whose sum is σ = 12311464014. Its totient is φ = 12311464012.

The previous prime is 12311464007. The next prime is 12311464049. The reversal of 12311464013 is 31046411321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12267334564 + 44129449 = 110758^2 + 6643^2 .

It is a cyclic number.

It is not a de Polignac number, because 12311464013 - 2¹⁸ = 12311201869 is a prime.

It is a super-2 number, since 2×12311464013² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12311464313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155732006 + 6155732007.

It is an arithmetic number, because the mean of its divisors is an integer number (6155732007).

Almost surely, 2^12311464013 is an apocalyptic number.

It is an amenable number.

12311464013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12311464013 is an equidigital number, since it uses as much as digits as its factorization.

12311464013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 12311464013 its reverse (31046411321), we get a palindrome (43357875334).

The spelling of 12311464013 in words is "twelve billion, three hundred eleven million, four hundred sixty-four thousand, thirteen".