3131121124 has 12 divisors (see below), whose sum is σ = 5482702764. Its totient is φ = 1564634624.

The previous prime is 3131121101. The next prime is 3131121127. The reversal of 3131121124 is 4211211313.

3131121124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2880468900 + 250652224 = 53670^2 + 15832^2 .

It is not an unprimeable number, because it can be changed into a prime (3131121127) 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, 223849 + ... + 237424.

It is an arithmetic number, because the mean of its divisors is an integer number (456891897).

Almost surely, 2^3131121124 is an apocalyptic number.

It is an amenable number.

3131121124 is a deficient number, since it is larger than the sum of its proper divisors (2351581640).

3131121124 is a wasteful number, since it uses less digits than its factorization.

3131121124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462974 (or 462972 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 3131121124 is about 55956.4216511385. The cubic root of 3131121124 is about 1462.9628211979.

Adding to 3131121124 its reverse (4211211313), we get a palindrome (7342332437).

The spelling of 3131121124 in words is "three billion, one hundred thirty-one million, one hundred twenty-one thousand, one hundred twenty-four".