3121022132 has 12 divisors (see below), whose sum is σ = 5462184420. Its totient is φ = 1560398016.

The previous prime is 3121022033. The next prime is 3121022147. The reversal of 3121022132 is 2312201213.

It can be written as a sum of positive squares in 2 ways, for example, as 2859682576 + 261339556 = 53476^2 + 16166^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3121022132.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 79544 + ... + 112112.

It is an arithmetic number, because the mean of its divisors is an integer number (455182035).

Almost surely, 2^3121022132 is an apocalyptic number.

It is an amenable number.

3121022132 is a deficient number, since it is larger than the sum of its proper divisors (2341162288).

3121022132 is a wasteful number, since it uses less digits than its factorization.

3121022132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56530 (or 56528 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3121022132 is about 55866.1089749411. The cubic root of 3121022132 is about 1461.3882666884.

Adding to 3121022132 its reverse (2312201213), we get a palindrome (5433223345).

The spelling of 3121022132 in words is "three billion, one hundred twenty-one million, twenty-two thousand, one hundred thirty-two".