3213313913 has 2 divisors, whose sum is σ = 3213313914. Its totient is φ = 3213313912.

The previous prime is 3213313891. The next prime is 3213313963. The reversal of 3213313913 is 3193133123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2894762809 + 318551104 = 53803^2 + 17848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3213313913 is a prime.

It is not a weakly prime, because it can be changed into another prime (3213313963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606656956 + 1606656957.

It is an arithmetic number, because the mean of its divisors is an integer number (1606656957).

Almost surely, 2^3213313913 is an apocalyptic number.

It is an amenable number.

3213313913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213313913 is an equidigital number, since it uses as much as digits as its factorization.

3213313913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4374, while the sum is 29.

The square root of 3213313913 is about 56686.0998217376. The cubic root of 3213313913 is about 1475.6534747665.

The spelling of 3213313913 in words is "three billion, two hundred thirteen million, three hundred thirteen thousand, nine hundred thirteen".