30421340343 has 48 divisors (see below), whose sum is σ = 46101619200. Its totient is φ = 20045447136.

The previous prime is 30421340311. The next prime is 30421340347. The reversal of 30421340343 is 34304312403.

30421340343 is a `hidden beast` number, since 3 + 0 + 4 + 213 + 403 + 43 = 666.

It is not a de Polignac number, because 30421340343 - 2⁵ = 30421340311 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 (30421340347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7590046 + ... + 7594052.

It is an arithmetic number, because the mean of its divisors is an integer number (960450400).

Almost surely, 2^30421340343 is an apocalyptic number.

30421340343 is a deficient number, since it is larger than the sum of its proper divisors (15680278857).

30421340343 is a wasteful number, since it uses less digits than its factorization.

30421340343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378 (or 4366 counting only the distinct ones).

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

Adding to 30421340343 its reverse (34304312403), we get a palindrome (64725652746).

The spelling of 30421340343 in words is "thirty billion, four hundred twenty-one million, three hundred forty thousand, three hundred forty-three".