3121233321130 has 16 divisors (see below), whose sum is σ = 5623970476680. Its totient is φ = 1247215439872.

The previous prime is 3121233321127. The next prime is 3121233321161. The reversal of 3121233321130 is 311233321213.

It can be written as a sum of positive squares in 4 ways, for example, as 3043248849081 + 77984472049 = 1744491^2 + 279257^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3121233321095 and 3121233321104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159725815 + ... + 159745354.

Almost surely, 2^{3121233321130} is an apocalyptic number.

3121233321130 is a deficient number, since it is larger than the sum of its proper divisors (2502737155550).

3121233321130 is a wasteful number, since it uses less digits than its factorization.

3121233321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319472153.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3121233321130 its reverse (311233321213), we get a palindrome (3432466642343).

The spelling of 3121233321130 in words is "three trillion, one hundred twenty-one billion, two hundred thirty-three million, three hundred twenty-one thousand, one hundred thirty".