30237384321 has 25 divisors (see below), whose sum is σ = 45496740641. Its totient is φ = 20013232788.

The previous prime is 30237384313. The next prime is 30237384347. The reversal of 30237384321 is 12348373203.

The square root of 30237384321 is 173889.

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

It is not a de Polignac number, because 30237384321 - 2³ = 30237384313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30237384361) by changing a digit.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 217535070 + ... + 217535208.

Almost surely, 2^30237384321 is an apocalyptic number.

30237384321 is the 173889-th square number.

30237384321 is the 86945-th centered octagonal number.

It is an amenable number.

30237384321 is a deficient number, since it is larger than the sum of its proper divisors (15259356320).

30237384321 is an frugal number, since it uses more digits than its factorization.

30237384321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

Multiplying 30237384321 by its sum of digits (36), we get a square (1088545835556 = 1043334²).

The spelling of 30237384321 in words is "thirty billion, two hundred thirty-seven million, three hundred eighty-four thousand, three hundred twenty-one".