30302311421 has 8 divisors (see below), whose sum is σ = 30507085560. Its totient is φ = 30097686528.

The previous prime is 30302311399. The next prime is 30302311433. The reversal of 30302311421 is 12411320303.

It can be written as a sum of positive squares in 4 ways, for example, as 204919225 + 30097392196 = 14315^2 + 173486^2 .

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 30302311421 - 2⁶ = 30302311357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30302311393 and 30302311402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302311451) 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 7 ways as a sum of consecutive naturals, for example, 386285 + ... + 458061.

It is an arithmetic number, because the mean of its divisors is an integer number (3813385695).

Almost surely, 2^30302311421 is an apocalyptic number.

It is an amenable number.

30302311421 is a deficient number, since it is larger than the sum of its proper divisors (204774139).

30302311421 is a wasteful number, since it uses less digits than its factorization.

30302311421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74623.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30302311421 its reverse (12411320303), we get a palindrome (42713631724).

The spelling of 30302311421 in words is "thirty billion, three hundred two million, three hundred eleven thousand, four hundred twenty-one".