3031231121 has 24 divisors (see below), whose sum is σ = 3309027744. Its totient is φ = 2774661120.

The previous prime is 3031231097. The next prime is 3031231123. The reversal of 3031231121 is 1211321303.

3031231121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3031231121 - 2³⁰ = 1957489297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3031231121.

It is not an unprimeable number, because it can be changed into a prime (3031231123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4386386 + ... + 4387076.

It is an arithmetic number, because the mean of its divisors is an integer number (137876156).

Almost surely, 2^3031231121 is an apocalyptic number.

It is an amenable number.

3031231121 is a deficient number, since it is larger than the sum of its proper divisors (277796623).

3031231121 is a wasteful number, since it uses less digits than its factorization.

3031231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3031231121 is about 55056.6174133501. The cubic root of 3031231121 is about 1447.2370884793.

Adding to 3031231121 its reverse (1211321303), we get a palindrome (4242552424).

The spelling of 3031231121 in words is "three billion, thirty-one million, two hundred thirty-one thousand, one hundred twenty-one".