3113033240021 has 2 divisors, whose sum is σ = 3113033240022. Its totient is φ = 3113033240020.

The previous prime is 3113033240017. The next prime is 3113033240033. The reversal of 3113033240021 is 1200423303113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2789000200900 + 324033039121 = 1670030^2 + 569239^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113033240021 - 2² = 3113033240017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113033240321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556516620010 + 1556516620011.

It is an arithmetic number, because the mean of its divisors is an integer number (1556516620011).

Almost surely, 2^{3113033240021} is an apocalyptic number.

It is an amenable number.

3113033240021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113033240021 is an equidigital number, since it uses as much as digits as its factorization.

3113033240021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3113033240021 its reverse (1200423303113), we get a palindrome (4313456543134).

The spelling of 3113033240021 in words is "three trillion, one hundred thirteen billion, thirty-three million, two hundred forty thousand, twenty-one".