30332313221 has 16 divisors (see below), whose sum is σ = 36372580608. Its totient is φ = 24731308800.

The previous prime is 30332313217. The next prime is 30332313283. The reversal of 30332313221 is 12231323303.

It is a cyclic number.

It is not a de Polignac number, because 30332313221 - 2² = 30332313217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30332313521) 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, 491300 + ... + 549581.

It is an arithmetic number, because the mean of its divisors is an integer number (2273286288).

Almost surely, 2^30332313221 is an apocalyptic number.

It is an amenable number.

30332313221 is a deficient number, since it is larger than the sum of its proper divisors (6040267387).

30332313221 is a wasteful number, since it uses less digits than its factorization.

30332313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041092.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30332313221 its reverse (12231323303), we get a palindrome (42563636524).

The spelling of 30332313221 in words is "thirty billion, three hundred thirty-two million, three hundred thirteen thousand, two hundred twenty-one".