3113125391 has 16 divisors (see below), whose sum is σ = 3342967200. Its totient is φ = 2888770560.

The previous prime is 3113125363. The next prime is 3113125397. The reversal of 3113125391 is 1935213113.

3113125391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3113125391 - 2²² = 3108931087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113125397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342536 + ... + 351506.

It is an arithmetic number, because the mean of its divisors is an integer number (208935450).

Almost surely, 2^3113125391 is an apocalyptic number.

3113125391 is a deficient number, since it is larger than the sum of its proper divisors (229841809).

3113125391 is a wasteful number, since it uses less digits than its factorization.

3113125391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9274.

The product of its digits is 2430, while the sum is 29.

The square root of 3113125391 is about 55795.3886176985. The cubic root of 3113125391 is about 1460.1547016594.

The spelling of 3113125391 in words is "three billion, one hundred thirteen million, one hundred twenty-five thousand, three hundred ninety-one".