3121794508 has 72 divisors (see below), whose sum is σ = 6657541632. Its totient is φ = 1274698656.

The previous prime is 3121794503. The next prime is 3121794517. The reversal of 3121794508 is 8054971213.

3121794508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3121794503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1274541 + ... + 1276987.

It is an arithmetic number, because the mean of its divisors is an integer number (92465856).

Almost surely, 2^3121794508 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 3121794508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3328770816).

3121794508 is an abundant number, since it is smaller than the sum of its proper divisors (3535747124).

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

3121794508 is a wasteful number, since it uses less digits than its factorization.

3121794508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771 (or 2762 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 3121794508 is about 55873.0212893486. The cubic root of 3121794508 is about 1461.5088092625.

The spelling of 3121794508 in words is "three billion, one hundred twenty-one million, seven hundred ninety-four thousand, five hundred eight".