3113021993 has 2 divisors, whose sum is σ = 3113021994. Its totient is φ = 3113021992.

The previous prime is 3113021969. The next prime is 3113022041. The reversal of 3113021993 is 3991203113.

3113021993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3066058384 + 46963609 = 55372^2 + 6853^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113021993 - 2¹⁰ = 3113020969 is a prime.

It is not a weakly prime, because it can be changed into another prime (3113051993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556510996 + 1556510997.

It is an arithmetic number, because the mean of its divisors is an integer number (1556510997).

Almost surely, 2^3113021993 is an apocalyptic number.

It is an amenable number.

3113021993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113021993 is an equidigital number, since it uses as much as digits as its factorization.

3113021993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 3113021993 is about 55794.4620280544. The cubic root of 3113021993 is about 1460.1385358316.

The spelling of 3113021993 in words is "three billion, one hundred thirteen million, twenty-one thousand, nine hundred ninety-three".