30232411021 has 16 divisors (see below), whose sum is σ = 30867922800. Its totient is φ = 29605367808.

The previous prime is 30232411009. The next prime is 30232411109. The reversal of 30232411021 is 12011423203.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1405125225 + 28827285796 = 37485^2 + 169786^2 .

It is a cyclic number.

It is not a de Polignac number, because 30232411021 - 2⁷ = 30232410893 is a prime.

It is a super-2 number, since 2×30232411021² (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 30232411021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30232451021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3475045 + ... + 3483733.

It is an arithmetic number, because the mean of its divisors is an integer number (1929245175).

Almost surely, 2^30232411021 is an apocalyptic number.

It is an amenable number.

30232411021 is a deficient number, since it is larger than the sum of its proper divisors (635511779).

30232411021 is a wasteful number, since it uses less digits than its factorization.

30232411021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9168.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30232411021 its reverse (12011423203), we get a palindrome (42243834224).

The spelling of 30232411021 in words is "thirty billion, two hundred thirty-two million, four hundred eleven thousand, twenty-one".