3122811332 has 6 divisors (see below), whose sum is σ = 5464919838. Its totient is φ = 1561405664.

The previous prime is 3122811331. The next prime is 3122811347. The reversal of 3122811332 is 2331182213.

It can be written as a sum of positive squares in only one way, i.e., 3075146116 + 47665216 = 55454^2 + 6904^2 .

It is a super-2 number, since 2×3122811332² = 19503901230535228448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3122811331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390351413 + ... + 390351420.

It is an arithmetic number, because the mean of its divisors is an integer number (910819973).

Almost surely, 2^3122811332 is an apocalyptic number.

It is an amenable number.

3122811332 is a deficient number, since it is larger than the sum of its proper divisors (2342108506).

3122811332 is a wasteful number, since it uses less digits than its factorization.

3122811332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780702837 (or 780702835 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 3122811332 is about 55882.1199669447. The cubic root of 3122811332 is about 1461.6674718425.

Adding to 3122811332 its reverse (2331182213), we get a palindrome (5453993545).

The spelling of 3122811332 in words is "three billion, one hundred twenty-two million, eight hundred eleven thousand, three hundred thirty-two".