30430331421 has 8 divisors (see below), whose sum is σ = 46370028864. Its totient is φ = 17388760800.

The previous prime is 30430331413. The next prime is 30430331453. The reversal of 30430331421 is 12413303403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30430331421 - 2³ = 30430331413 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30430331391 and 30430331400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30430331471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724531680 + ... + 724531721.

It is an arithmetic number, because the mean of its divisors is an integer number (5796253608).

Almost surely, 2^30430331421 is an apocalyptic number.

It is an amenable number.

30430331421 is a deficient number, since it is larger than the sum of its proper divisors (15939697443).

30430331421 is a wasteful number, since it uses less digits than its factorization.

30430331421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449063411.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30430331421 its reverse (12413303403), we get a palindrome (42843634824).

The spelling of 30430331421 in words is "thirty billion, four hundred thirty million, three hundred thirty-one thousand, four hundred twenty-one".