30223031021 has 8 divisors (see below), whose sum is σ = 31552995264. Its totient is φ = 28894393440.

The previous prime is 30223031009. The next prime is 30223031029. The reversal of 30223031021 is 12013032203.

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 30223031021 - 2¹⁴ = 30223014637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30223031029) 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, 284960 + ... + 376361.

It is an arithmetic number, because the mean of its divisors is an integer number (3944124408).

Almost surely, 2^30223031021 is an apocalyptic number.

It is an amenable number.

30223031021 is a deficient number, since it is larger than the sum of its proper divisors (1329964243).

30223031021 is a wasteful number, since it uses less digits than its factorization.

30223031021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663331.

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

Adding to 30223031021 its reverse (12013032203), we get a palindrome (42236063224).

The spelling of 30223031021 in words is "thirty billion, two hundred twenty-three million, thirty-one thousand, twenty-one".