3121225704 has 128 divisors (see below), whose sum is σ = 9220780800. Its totient is φ = 974868480.

The previous prime is 3121225699. The next prime is 3121225727. The reversal of 3121225704 is 4075221213.

3121225704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 883189 + ... + 886715.

It is an arithmetic number, because the mean of its divisors is an integer number (72037350).

Almost surely, 2^3121225704 is an apocalyptic number.

3121225704 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3121225704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4610390400).

3121225704 is an abundant number, since it is smaller than the sum of its proper divisors (6099555096).

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

3121225704 is a wasteful number, since it uses less digits than its factorization.

3121225704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800 (or 3790 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 3121225704 is about 55867.9309085275. The cubic root of 3121225704 is about 1461.4200395341.

Adding to 3121225704 its reverse (4075221213), we get a palindrome (7196446917).

The spelling of 3121225704 in words is "three billion, one hundred twenty-one million, two hundred twenty-five thousand, seven hundred four".