3121326938808 has 384 divisors, whose sum is σ = 9616029696000. Its totient is φ = 907896038400.

The previous prime is 3121326938801. The next prime is 3121326938809. The reversal of 3121326938808 is 8088396231213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121326938801) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 816885538 + ... + 816889358.

It is an arithmetic number, because the mean of its divisors is an integer number (25041744000).

Almost surely, 2^{3121326938808} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3121326938808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4808014848000).

3121326938808 is an abundant number, since it is smaller than the sum of its proper divisors (6494702757192).

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

3121326938808 is a wasteful number, since it uses less digits than its factorization.

3121326938808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523 (or 4516 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 3121326938808 in words is "three trillion, one hundred twenty-one billion, three hundred twenty-six million, nine hundred thirty-eight thousand, eight hundred eight".