326211013 has 2 divisors, whose sum is σ = 326211014. Its totient is φ = 326211012.

The previous prime is 326210971. The next prime is 326211023. The reversal of 326211013 is 310112623.

It is the 7374-th star number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230523489 + 95687524 = 15183^2 + 9782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326211013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (326211023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163105506 + 163105507.

It is an arithmetic number, because the mean of its divisors is an integer number (163105507).

Almost surely, 2^326211013 is an apocalyptic number.

It is an amenable number.

326211013 is a deficient number, since it is larger than the sum of its proper divisors (1).

326211013 is an equidigital number, since it uses as much as digits as its factorization.

326211013 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 326211013 is about 18061.3126045700. The cubic root of 326211013 is about 688.3873372429.

Adding to 326211013 its reverse (310112623), we get a palindrome (636323636).

The spelling of 326211013 in words is "three hundred twenty-six million, two hundred eleven thousand, thirteen".