331001340013 has 2 divisors, whose sum is σ = 331001340014. Its totient is φ = 331001340012.

The previous prime is 331001340001. The next prime is 331001340017. The reversal of 331001340013 is 310043100133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269217775044 + 61783564969 = 518862^2 + 248563^2 .

It is a cyclic number.

It is not a de Polignac number, because 331001340013 - 2¹³ = 331001331821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331001340017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165500670006 + 165500670007.

It is an arithmetic number, because the mean of its divisors is an integer number (165500670007).

Almost surely, 2^331001340013 is an apocalyptic number.

It is an amenable number.

331001340013 is a deficient number, since it is larger than the sum of its proper divisors (1).

331001340013 is an equidigital number, since it uses as much as digits as its factorization.

331001340013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 331001340013 its reverse (310043100133), we get a palindrome (641044440146).

The spelling of 331001340013 in words is "three hundred thirty-one billion, one million, three hundred forty thousand, thirteen".