3121325830 has 32 divisors (see below), whose sum is σ = 6628147200. Its totient is φ = 1035646560.

The previous prime is 3121325821. The next prime is 3121325843. The reversal of 3121325830 is 385231213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 717030 + ... + 721369.

It is an arithmetic number, because the mean of its divisors is an integer number (207129600).

Almost surely, 2^3121325830 is an apocalyptic number.

3121325830 is an abundant number, since it is smaller than the sum of its proper divisors (3506821370).

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

3121325830 is a wasteful number, since it uses less digits than its factorization.

3121325830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438444.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 3121325830 is about 55868.8269968146. The cubic root of 3121325830 is about 1461.4356663628.

The spelling of 3121325830 in words is "three billion, one hundred twenty-one million, three hundred twenty-five thousand, eight hundred thirty".