3113251311 has 4 divisors (see below), whose sum is σ = 4151001752. Its totient is φ = 2075500872.

The previous prime is 3113251261. The next prime is 3113251331. The reversal of 3113251311 is 1131523113.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3113251311 - 2⁶ = 3113251247 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 (3113251331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518875216 + ... + 518875221.

It is an arithmetic number, because the mean of its divisors is an integer number (1037750438).

Almost surely, 2^3113251311 is an apocalyptic number.

3113251311 is a deficient number, since it is larger than the sum of its proper divisors (1037750441).

3113251311 is a wasteful number, since it uses less digits than its factorization.

3113251311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037750440.

The product of its digits is 270, while the sum is 21.

The square root of 3113251311 is about 55796.5170149535. The cubic root of 3113251311 is about 1460.1743882207.

Adding to 3113251311 its reverse (1131523113), we get a palindrome (4244774424).

The spelling of 3113251311 in words is "three billion, one hundred thirteen million, two hundred fifty-one thousand, three hundred eleven".