321034200913 has 2 divisors, whose sum is σ = 321034200914. Its totient is φ = 321034200912.

The previous prime is 321034200899. The next prime is 321034200919. The reversal of 321034200913 is 319002430123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320867868304 + 166332609 = 566452^2 + 12897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321034200913 is a prime.

It is not a weakly prime, because it can be changed into another prime (321034200919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160517100456 + 160517100457.

It is an arithmetic number, because the mean of its divisors is an integer number (160517100457).

Almost surely, 2^321034200913 is an apocalyptic number.

It is an amenable number.

321034200913 is a deficient number, since it is larger than the sum of its proper divisors (1).

321034200913 is an equidigital number, since it uses as much as digits as its factorization.

321034200913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 321034200913 in words is "three hundred twenty-one billion, thirty-four million, two hundred thousand, nine hundred thirteen".