30434303421 has 24 divisors (see below), whose sum is σ = 45718108800. Its totient is φ = 20232001152.

The previous prime is 30434303377. The next prime is 30434303453. The reversal of 30434303421 is 12430343403.

30434303421 is a `hidden beast` number, since 304 + 34 + 303 + 4 + 21 = 666.

It is not a de Polignac number, because 30434303421 - 2³⁰ = 29360561597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30434303461) 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, 91621 + ... + 263178.

It is an arithmetic number, because the mean of its divisors is an integer number (1904921200).

Almost surely, 2^30434303421 is an apocalyptic number.

It is an amenable number.

30434303421 is a deficient number, since it is larger than the sum of its proper divisors (15283805379).

30434303421 is an equidigital number, since it uses as much as digits as its factorization.

30434303421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355167 (or 355155 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 30434303421 its reverse (12430343403), we get a palindrome (42864646824).

The spelling of 30434303421 in words is "thirty billion, four hundred thirty-four million, three hundred three thousand, four hundred twenty-one".