30443302421 has 16 divisors (see below), whose sum is σ = 36190976640. Its totient is φ = 25055231040.

The previous prime is 30443302369. The next prime is 30443302459. The reversal of 30443302421 is 12420334403.

It is not a de Polignac number, because 30443302421 - 2¹⁴ = 30443286037 is a prime.

It is a super-2 number, since 2×30443302421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30443302321) 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, 377531 + ... + 451016.

It is an arithmetic number, because the mean of its divisors is an integer number (2261936040).

Almost surely, 2^30443302421 is an apocalyptic number.

It is an amenable number.

30443302421 is a deficient number, since it is larger than the sum of its proper divisors (5747674219).

30443302421 is a wasteful number, since it uses less digits than its factorization.

30443302421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828764.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30443302421 its reverse (12420334403), we get a palindrome (42863636824).

The spelling of 30443302421 in words is "thirty billion, four hundred forty-three million, three hundred two thousand, four hundred twenty-one".