3122140321 has 8 divisors (see below), whose sum is σ = 3306881160. Its totient is φ = 2937520128.

The previous prime is 3122140289. The next prime is 3122140337. The reversal of 3122140321 is 1230412213.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1402877025 + 1719263296 = 37455^2 + 41464^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3122140321 - 2⁵ = 3122140289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3122140361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26145 + ... + 83233.

It is an arithmetic number, because the mean of its divisors is an integer number (413360145).

Almost surely, 2^3122140321 is an apocalyptic number.

It is an amenable number.

3122140321 is a deficient number, since it is larger than the sum of its proper divisors (184740839).

3122140321 is a wasteful number, since it uses less digits than its factorization.

3122140321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60323.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3122140321 is about 55876.1158367330. The cubic root of 3122140321 is about 1461.5627728918.

Adding to 3122140321 its reverse (1230412213), we get a palindrome (4352552534).

The spelling of 3122140321 in words is "three billion, one hundred twenty-two million, one hundred forty thousand, three hundred twenty-one".