30421304431 has 8 divisors (see below), whose sum is σ = 35888728064. Its totient is φ = 25234261560.

The previous prime is 30421304399. The next prime is 30421304447. The reversal of 30421304431 is 13440312403.

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

It is a cyclic number.

It is not a de Polignac number, because 30421304431 - 2⁵ = 30421304399 is a prime.

It is a super-2 number, since 2×30421304431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30421304396 and 30421304405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421304531) 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, 70094955 + ... + 70095388.

It is an arithmetic number, because the mean of its divisors is an integer number (4486091008).

Almost surely, 2^30421304431 is an apocalyptic number.

30421304431 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30421304431 is a deficient number, since it is larger than the sum of its proper divisors (5467423633).

30421304431 is a wasteful number, since it uses less digits than its factorization.

30421304431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140190381.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30421304431 its reverse (13440312403), we get a palindrome (43861616834).

The spelling of 30421304431 in words is "thirty billion, four hundred twenty-one million, three hundred four thousand, four hundred thirty-one".