306523893316 has 9 divisors (see below), whose sum is σ = 536418751071. Its totient is φ = 153261393012.

The previous prime is 306523893311. The next prime is 306523893457. The reversal of 306523893316 is 613398325603.

The square root of 306523893316 is 553646.

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

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 306523893316.

It is not an unprimeable number, because it can be changed into a prime (306523893311) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 968881 + ... + 1245703.

Almost surely, 2^306523893316 is an apocalyptic number.

306523893316 is the 553646-th square number.

It is an amenable number.

306523893316 is a deficient number, since it is larger than the sum of its proper divisors (229894857755).

306523893316 is an frugal number, since it uses more digits than its factorization.

306523893316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553650 (or 276825 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 49.

Multiplying 306523893316 by its sum of digits (49), we get a square (15019670772484 = 3875522²).

The spelling of 306523893316 in words is "three hundred six billion, five hundred twenty-three million, eight hundred ninety-three thousand, three hundred sixteen".