30232313221 has 8 divisors (see below), whose sum is σ = 33432496704. Its totient is φ = 27107428320.

The previous prime is 30232313197. The next prime is 30232313249. The reversal of 30232313221 is 12231323203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30232313221 - 2⁹ = 30232312709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30232313192 and 30232313201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30232313921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18823801 + ... + 18825406.

It is an arithmetic number, because the mean of its divisors is an integer number (4179062088).

Almost surely, 2^30232313221 is an apocalyptic number.

It is an amenable number.

30232313221 is a deficient number, since it is larger than the sum of its proper divisors (3200183483).

30232313221 is a wasteful number, since it uses less digits than its factorization.

30232313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37649291.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30232313221 its reverse (12231323203), we get a palindrome (42463636424).

The spelling of 30232313221 in words is "thirty billion, two hundred thirty-two million, three hundred thirteen thousand, two hundred twenty-one".