30322123021 has 8 divisors (see below), whose sum is σ = 31492692000. Its totient is φ = 29159886000.

The previous prime is 30322123019. The next prime is 30322123081. The reversal of 30322123021 is 12032122303.

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 30322123021 - 2¹ = 30322123019 is a prime.

It is a super-2 number, since 2×30322123021² (a number of 22 digits) contains 22 as substring.

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 30322123021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30322123001) 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, 2075571 + ... + 2090128.

It is an arithmetic number, because the mean of its divisors is an integer number (3936586500).

Almost surely, 2^30322123021 is an apocalyptic number.

It is an amenable number.

30322123021 is a deficient number, since it is larger than the sum of its proper divisors (1170568979).

30322123021 is a wasteful number, since it uses less digits than its factorization.

30322123021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165979.

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

Adding to 30322123021 its reverse (12032122303), we get a palindrome (42354245324).

The spelling of 30322123021 in words is "thirty billion, three hundred twenty-two million, one hundred twenty-three thousand, twenty-one".