30022031321 has 4 divisors (see below), whose sum is σ = 30172896000. Its totient is φ = 29871166644.

The previous prime is 30022031317. The next prime is 30022031323. The reversal of 30022031321 is 12313022003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30022031321 - 2² = 30022031317 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 30022031321.

It is not an unprimeable number, because it can be changed into a prime (30022031323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75432041 + ... + 75432438.

It is an arithmetic number, because the mean of its divisors is an integer number (7543224000).

Almost surely, 2^30022031321 is an apocalyptic number.

It is an amenable number.

30022031321 is a deficient number, since it is larger than the sum of its proper divisors (150864679).

30022031321 is a wasteful number, since it uses less digits than its factorization.

30022031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150864678.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30022031321 its reverse (12313022003), we get a palindrome (42335053324).

The spelling of 30022031321 in words is "thirty billion, twenty-two million, thirty-one thousand, three hundred twenty-one".