3121322132 has 12 divisors (see below), whose sum is σ = 5482621620. Its totient is φ = 1554858816.

The previous prime is 3121322131. The next prime is 3121322159. The reversal of 3121322132 is 2312231213.

It can be written as a sum of positive squares in 2 ways, for example, as 105555076 + 3015767056 = 10274^2 + 54916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121322131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1449353 + ... + 1451504.

It is an arithmetic number, because the mean of its divisors is an integer number (456885135).

Almost surely, 2^3121322132 is an apocalyptic number.

It is an amenable number.

3121322132 is a deficient number, since it is larger than the sum of its proper divisors (2361299488).

3121322132 is a wasteful number, since it uses less digits than its factorization.

3121322132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901130 (or 2901128 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 3121322132 is about 55868.7939014259. The cubic root of 3121322132 is about 1461.4350892158.

Adding to 3121322132 its reverse (2312231213), we get a palindrome (5433553345).

The spelling of 3121322132 in words is "three billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred thirty-two".