3121322330020 has 12 divisors (see below), whose sum is σ = 6554776893084. Its totient is φ = 1248528932000.

The previous prime is 3121322329999. The next prime is 3121322330023. The reversal of 3121322330020 is 200332231213.

It can be written as a sum of positive squares in 2 ways, for example, as 2284565744484 + 836756585536 = 1511478^2 + 914744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3121322329973 and 3121322330000.

It is not an unprimeable number, because it can be changed into a prime (3121322330023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78033058231 + ... + 78033058270.

It is an arithmetic number, because the mean of its divisors is an integer number (546231407757).

Almost surely, 2^{3121322330020} is an apocalyptic number.

It is an amenable number.

3121322330020 is an abundant number, since it is smaller than the sum of its proper divisors (3433454563064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121322330020 is a wasteful number, since it uses less digits than its factorization.

3121322330020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156066116510 (or 156066116508 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 3121322330020 its reverse (200332231213), we get a palindrome (3321654561233).

The spelling of 3121322330020 in words is "three trillion, one hundred twenty-one billion, three hundred twenty-two million, three hundred thirty thousand, twenty".