30320413021 has 8 divisors (see below), whose sum is σ = 31707333504. Its totient is φ = 28939212720.

The previous prime is 30320413003. The next prime is 30320413027. The reversal of 30320413021 is 12031402303.

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

It is not a de Polignac number, because 30320413021 - 2⁵ = 30320412989 is a prime.

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 30320413021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320413027) 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, 1419201 + ... + 1440406.

It is an arithmetic number, because the mean of its divisors is an integer number (3963416688).

Almost surely, 2^30320413021 is an apocalyptic number.

It is an amenable number.

30320413021 is a deficient number, since it is larger than the sum of its proper divisors (1386920483).

30320413021 is a wasteful number, since it uses less digits than its factorization.

30320413021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860091.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30320413021 its reverse (12031402303), we get a palindrome (42351815324).

The spelling of 30320413021 in words is "thirty billion, three hundred twenty million, four hundred thirteen thousand, twenty-one".