3121124231 has 16 divisors (see below), whose sum is σ = 3391622208. Its totient is φ = 2861222400.

The previous prime is 3121124213. The next prime is 3121124263. The reversal of 3121124231 is 1324211213.

It is a de Polignac number, because none of the positive numbers 2^k-3121124231 is a prime.

It is a super-2 number, since 2×3121124231² = 19482832930670682722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121124291) 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, 92201 + ... + 121421.

It is an arithmetic number, because the mean of its divisors is an integer number (211976388).

Almost surely, 2^3121124231 is an apocalyptic number.

3121124231 is a deficient number, since it is larger than the sum of its proper divisors (270497977).

3121124231 is a wasteful number, since it uses less digits than its factorization.

3121124231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29402.

The product of its digits is 288, while the sum is 20.

The square root of 3121124231 is about 55867.0227504563. The cubic root of 3121124231 is about 1461.4042021359.

Adding to 3121124231 its reverse (1324211213), we get a palindrome (4445335444).

The spelling of 3121124231 in words is "three billion, one hundred twenty-one million, one hundred twenty-four thousand, two hundred thirty-one".