3125820312 has 24 divisors (see below), whose sum is σ = 8465763540. Its totient is φ = 1041940080.

The previous prime is 3125820301. The next prime is 3125820317. The reversal of 3125820312 is 2130285213.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125820317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21707014 + ... + 21707157.

Almost surely, 2^3125820312 is an apocalyptic number.

It is an amenable number.

3125820312 is an abundant number, since it is smaller than the sum of its proper divisors (5339943228).

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

3125820312 is a wasteful number, since it uses less digits than its factorization.

3125820312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43414183 (or 43414176 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3125820312 is about 55909.0360496405. The cubic root of 3125820312 is about 1462.1367836126.

The spelling of 3125820312 in words is "three billion, one hundred twenty-five million, eight hundred twenty thousand, three hundred twelve".