3122130321 has 12 divisors (see below), whose sum is σ = 4512613248. Its totient is φ = 2080095864.

The previous prime is 3122130259. The next prime is 3122130329. The reversal of 3122130321 is 1230312213.

3122130321 is a `hidden beast` number, since 312 + 2 + 1 + 30 + 321 = 666.

It is not a de Polignac number, because 3122130321 - 2²³ = 3113741713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3122130294 and 3122130303.

It is not an unprimeable number, because it can be changed into a prime (3122130329) 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, 95325 + ... + 123818.

It is an arithmetic number, because the mean of its divisors is an integer number (376051104).

Almost surely, 2^3122130321 is an apocalyptic number.

It is an amenable number.

3122130321 is a deficient number, since it is larger than the sum of its proper divisors (1390482927).

3122130321 is a wasteful number, since it uses less digits than its factorization.

3122130321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220732 (or 220729 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3122130321 is about 55876.0263529897. The cubic root of 3122130321 is about 1461.5612124619.

Adding to 3122130321 its reverse (1230312213), we get a palindrome (4352442534).

The spelling of 3122130321 in words is "three billion, one hundred twenty-two million, one hundred thirty thousand, three hundred twenty-one".