3121112133 has 12 divisors (see below), whose sum is σ = 4514552640. Its totient is φ = 2077843176.

The previous prime is 3121112131. The next prime is 3121112179. The reversal of 3121112133 is 3312111213.

It is not a de Polignac number, because 3121112133 - 2¹ = 3121112131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121112131) 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, 234691 + ... + 247632.

It is an arithmetic number, because the mean of its divisors is an integer number (376212720).

Almost surely, 2^3121112133 is an apocalyptic number.

It is an amenable number.

3121112133 is a deficient number, since it is larger than the sum of its proper divisors (1393440507).

3121112133 is a wasteful number, since it uses less digits than its factorization.

3121112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483048 (or 483045 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 3121112133 is about 55866.9144753852. The cubic root of 3121112133 is about 1461.4023139177.

Adding to 3121112133 its reverse (3312111213), we get a palindrome (6433223346).

It can be divided in two parts, 312111213 and 3, that multiplied together give a palindrome (936333639).

The spelling of 3121112133 in words is "three billion, one hundred twenty-one million, one hundred twelve thousand, one hundred thirty-three".