30421013333 has 4 divisors (see below), whose sum is σ = 30422499948. Its totient is φ = 30419526720.

The previous prime is 30421013303. The next prime is 30421013351. The reversal of 30421013333 is 33331012403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8759649649 + 21661363684 = 93593^2 + 147178^2 .

It is a cyclic number.

It is not a de Polignac number, because 30421013333 - 2⁶ = 30421013269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30421013299 and 30421013308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421013303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712178 + ... + 753683.

It is an arithmetic number, because the mean of its divisors is an integer number (7605624987).

Almost surely, 2^30421013333 is an apocalyptic number.

It is an amenable number.

30421013333 is a deficient number, since it is larger than the sum of its proper divisors (1486615).

30421013333 is a wasteful number, since it uses less digits than its factorization.

30421013333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486614.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30421013333 its reverse (33331012403), we get a palindrome (63752025736).

The spelling of 30421013333 in words is "thirty billion, four hundred twenty-one million, thirteen thousand, three hundred thirty-three".