3211320031013 has 2 divisors, whose sum is σ = 3211320031014. Its totient is φ = 3211320031012.

The previous prime is 3211320031001. The next prime is 3211320031019. The reversal of 3211320031013 is 3101300231123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2236720651489 + 974599379524 = 1495567^2 + 987218^2 .

It is a cyclic number.

It is not a de Polignac number, because 3211320031013 - 2³² = 3207025063717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3211320031019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1605660015506 + 1605660015507.

It is an arithmetic number, because the mean of its divisors is an integer number (1605660015507).

Almost surely, 2^{3211320031013} is an apocalyptic number.

It is an amenable number.

3211320031013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3211320031013 is an equidigital number, since it uses as much as digits as its factorization.

3211320031013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 3211320031013 its reverse (3101300231123), we get a palindrome (6312620262136).

The spelling of 3211320031013 in words is "three trillion, two hundred eleven billion, three hundred twenty million, thirty-one thousand, thirteen".