3113233313131 has 2 divisors, whose sum is σ = 3113233313132. Its totient is φ = 3113233313130.

The previous prime is 3113233313129. The next prime is 3113233313147. The reversal of 3113233313131 is 1313133323113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3113233313131 - 2¹ = 3113233313129 is a prime.

It is a super-2 number, since 2×3113233313131² (a number of 26 digits) contains 22 as substring.

Together with 3113233313129, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3113233313131.

It is not a weakly prime, because it can be changed into another prime (3113233313111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556616656565 + 1556616656566.

It is an arithmetic number, because the mean of its divisors is an integer number (1556616656566).

Almost surely, 2^{3113233313131} is an apocalyptic number.

3113233313131 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113233313131 is an equidigital number, since it uses as much as digits as its factorization.

3113233313131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4374, while the sum is 28.

Adding to 3113233313131 its reverse (1313133323113), we get a palindrome (4426366636244).

The spelling of 3113233313131 in words is "three trillion, one hundred thirteen billion, two hundred thirty-three million, three hundred thirteen thousand, one hundred thirty-one".