320211033013 has 2 divisors, whose sum is σ = 320211033014. Its totient is φ = 320211033012.

The previous prime is 320211033001. The next prime is 320211033137. The reversal of 320211033013 is 310330112023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319657936689 + 553096324 = 565383^2 + 23518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320211033013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320211033713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160105516506 + 160105516507.

It is an arithmetic number, because the mean of its divisors is an integer number (160105516507).

Almost surely, 2^320211033013 is an apocalyptic number.

It is an amenable number.

320211033013 is a deficient number, since it is larger than the sum of its proper divisors (1).

320211033013 is an equidigital number, since it uses as much as digits as its factorization.

320211033013 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 320211033013 its reverse (310330112023), we get a palindrome (630541145036).

The spelling of 320211033013 in words is "three hundred twenty billion, two hundred eleven million, thirty-three thousand, thirteen".