3121041131 has 12 divisors (see below), whose sum is σ = 3470936112. Its totient is φ = 2803091616.

The previous prime is 3121041127. The next prime is 3121041181. The reversal of 3121041131 is 1311401213.

It is not a de Polignac number, because 3121041131 - 2² = 3121041127 is a prime.

It is a super-2 number, since 2×3121041131² = 19481795482787518322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3121041181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243311 + ... + 255816.

It is an arithmetic number, because the mean of its divisors is an integer number (289244676).

Almost surely, 2^3121041131 is an apocalyptic number.

3121041131 is a deficient number, since it is larger than the sum of its proper divisors (349894981).

3121041131 is a wasteful number, since it uses less digits than its factorization.

3121041131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499190 (or 499177 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 3121041131 is about 55866.2790151626. The cubic root of 3121041131 is about 1461.3912320480.

Adding to 3121041131 its reverse (1311401213), we get a palindrome (4432442344).

The spelling of 3121041131 in words is "three billion, one hundred twenty-one million, forty-one thousand, one hundred thirty-one".