3128791325 has 12 divisors (see below), whose sum is σ = 4232401728. Its totient is φ = 2275484400.

The previous prime is 3128791279. The next prime is 3128791331. The reversal of 3128791325 is 5231978213.

It is not a de Polignac number, because 3128791325 - 2⁶ = 3128791261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5688437 + ... + 5688986.

It is an arithmetic number, because the mean of its divisors is an integer number (352700144).

Almost surely, 2^3128791325 is an apocalyptic number.

It is an amenable number.

3128791325 is a deficient number, since it is larger than the sum of its proper divisors (1103610403).

3128791325 is a wasteful number, since it uses less digits than its factorization.

3128791325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11377444 (or 11377439 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 3128791325 is about 55935.5998001273. The cubic root of 3128791325 is about 1462.5998782447.

The spelling of 3128791325 in words is "three billion, one hundred twenty-eight million, seven hundred ninety-one thousand, three hundred twenty-five".