3103113131 has 4 divisors (see below), whose sum is σ = 3103359600. Its totient is φ = 3102866664.

The previous prime is 3103113089. The next prime is 3103113137. The reversal of 3103113131 is 1313113013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1313113013 = 7309 ⋅179657.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3103113131 is a prime.

It is a super-2 number, since 2×3103113131² = 19258622207569246322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3103113137) 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, 103271 + ... + 129888.

It is an arithmetic number, because the mean of its divisors is an integer number (775839900).

Almost surely, 2^3103113131 is an apocalyptic number.

3103113131 is a deficient number, since it is larger than the sum of its proper divisors (246469).

3103113131 is a wasteful number, since it uses less digits than its factorization.

3103113131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246468.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 3103113131 is about 55705.5933547072. The cubic root of 3103113131 is about 1458.5876645194.

Adding to 3103113131 its reverse (1313113013), we get a palindrome (4416226144).

The spelling of 3103113131 in words is "three billion, one hundred three million, one hundred thirteen thousand, one hundred thirty-one".