30340233021 has 12 divisors (see below), whose sum is σ = 47058320832. Its totient is φ = 17337275928.

The previous prime is 30340233019. The next prime is 30340233059. The reversal of 30340233021 is 12033204303.

It is not a de Polignac number, because 30340233021 - 2¹ = 30340233019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30340233221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103197925 + ... + 103198218.

It is an arithmetic number, because the mean of its divisors is an integer number (3921526736).

Almost surely, 2^30340233021 is an apocalyptic number.

It is an amenable number.

30340233021 is a deficient number, since it is larger than the sum of its proper divisors (16718087811).

30340233021 is a wasteful number, since it uses less digits than its factorization.

30340233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206396160 (or 206396153 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30340233021 its reverse (12033204303), we get a palindrome (42373437324).

The spelling of 30340233021 in words is "thirty billion, three hundred forty million, two hundred thirty-three thousand, twenty-one".