3313113521 has 2 divisors, whose sum is σ = 3313113522. Its totient is φ = 3313113520.

The previous prime is 3313113491. The next prime is 3313113523. The reversal of 3313113521 is 1253113133.

3313113521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2558842225 + 754271296 = 50585^2 + 27464^2 .

It is a cyclic number.

It is not a de Polignac number, because 3313113521 - 2⁶ = 3313113457 is a prime.

Together with 3313113523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3313113523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656556760 + 1656556761.

It is an arithmetic number, because the mean of its divisors is an integer number (1656556761).

Almost surely, 2^3313113521 is an apocalyptic number.

It is an amenable number.

3313113521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3313113521 is an equidigital number, since it uses as much as digits as its factorization.

3313113521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810, while the sum is 23.

The square root of 3313113521 is about 57559.6518491903. The cubic root of 3313113521 is about 1490.7750154848.

Adding to 3313113521 its reverse (1253113133), we get a palindrome (4566226654).

The spelling of 3313113521 in words is "three billion, three hundred thirteen million, one hundred thirteen thousand, five hundred twenty-one".