30523603221 has 16 divisors (see below), whose sum is σ = 45222964800. Its totient is φ = 20347803504.

The previous prime is 30523603211. The next prime is 30523603273. The reversal of 30523603221 is 12230632503.

30523603221 is a `hidden beast` number, since 3 + 0 + 52 + 3 + 603 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 30523603221 - 2¹⁴ = 30523586837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30523603211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649795 + ... + 695183.

It is an arithmetic number, because the mean of its divisors is an integer number (2826435300).

Almost surely, 2^30523603221 is an apocalyptic number.

It is an amenable number.

30523603221 is a deficient number, since it is larger than the sum of its proper divisors (14699361579).

30523603221 is a wasteful number, since it uses less digits than its factorization.

30523603221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70305 (or 70299 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The spelling of 30523603221 in words is "thirty billion, five hundred twenty-three million, six hundred three thousand, two hundred twenty-one".