30231034021 has 16 divisors (see below), whose sum is σ = 31879324800. Its totient is φ = 28626954048.

The previous prime is 30231033997. The next prime is 30231034027. The reversal of 30231034021 is 12043013203.

It is a cyclic number.

It is not a de Polignac number, because 30231034021 - 2⁹ = 30231033509 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 30231034021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231034027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410976 + ... + 478918.

It is an arithmetic number, because the mean of its divisors is an integer number (1992457800).

Almost surely, 2^30231034021 is an apocalyptic number.

It is an amenable number.

30231034021 is a deficient number, since it is larger than the sum of its proper divisors (1648290779).

30231034021 is a wasteful number, since it uses less digits than its factorization.

30231034021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68268.

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

Adding to 30231034021 its reverse (12043013203), we get a palindrome (42274047224).

The spelling of 30231034021 in words is "thirty billion, two hundred thirty-one million, thirty-four thousand, twenty-one".