30243431421 has 24 divisors (see below), whose sum is σ = 50025768000. Its totient is φ = 17247309696.

The previous prime is 30243431419. The next prime is 30243431489. The reversal of 30243431421 is 12413434203.

30243431421 is a `hidden beast` number, since 302 + 4 + 343 + 14 + 2 + 1 = 666.

It is not a de Polignac number, because 30243431421 - 2¹ = 30243431419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30243431411) 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 23 ways as a sum of consecutive naturals, for example, 449580 + ... + 512453.

It is an arithmetic number, because the mean of its divisors is an integer number (2084407000).

Almost surely, 2^30243431421 is an apocalyptic number.

It is an amenable number.

30243431421 is a deficient number, since it is larger than the sum of its proper divisors (19782336579).

30243431421 is a wasteful number, since it uses less digits than its factorization.

30243431421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962545 (or 962542 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 30243431421 its reverse (12413434203), we get a palindrome (42656865624).

The spelling of 30243431421 in words is "thirty billion, two hundred forty-three million, four hundred thirty-one thousand, four hundred twenty-one".