2931789316 has 9 divisors (see below), whose sum is σ = 5130820821. Its totient is φ = 1465840512.

The previous prime is 2931789271. The next prime is 2931789331. The reversal of 2931789316 is 6139871392.

The square root of 2931789316 is 54146.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1464592900 + 1467196416 = 38270^2 + 38304^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2931789316.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 94756 + ... + 121828.

Almost surely, 2^2931789316 is an apocalyptic number.

2931789316 is the 54146-th square number.

It is an amenable number.

2931789316 is a deficient number, since it is larger than the sum of its proper divisors (2199031505).

2931789316 is an frugal number, since it uses more digits than its factorization.

2931789316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54150 (or 27075 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The cubic root of 2931789316 is about 1431.2349050333.

Multiplying 2931789316 by its sum of digits (49), we get a square (143657676484 = 379022²).

The spelling of 2931789316 in words is "two billion, nine hundred thirty-one million, seven hundred eighty-nine thousand, three hundred sixteen".