3113125131 has 4 divisors (see below), whose sum is σ = 4150833512. Its totient is φ = 2075416752.

The previous prime is 3113125123. The next prime is 3113125133. The reversal of 3113125131 is 1315213113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1315213113 = 3 ⋅438404371.

It is not a de Polignac number, because 3113125131 - 2³ = 3113125123 is a prime.

It is a super-2 number, since 2×3113125131² = 19383096162527534322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3113125098 and 3113125107.

It is not an unprimeable number, because it can be changed into a prime (3113125133) 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, 518854186 + ... + 518854191.

It is an arithmetic number, because the mean of its divisors is an integer number (1037708378).

Almost surely, 2^3113125131 is an apocalyptic number.

3113125131 is a deficient number, since it is larger than the sum of its proper divisors (1037708381).

3113125131 is a wasteful number, since it uses less digits than its factorization.

3113125131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037708380.

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

The square root of 3113125131 is about 55795.3862877568. The cubic root of 3113125131 is about 1460.1546610100.

Adding to 3113125131 its reverse (1315213113), we get a palindrome (4428338244).

The spelling of 3113125131 in words is "three billion, one hundred thirteen million, one hundred twenty-five thousand, one hundred thirty-one".