30402325421 has 8 divisors (see below), whose sum is σ = 33869965080. Its totient is φ = 27095971392.

The previous prime is 30402325399. The next prime is 30402325439. The reversal of 30402325421 is 12452320403.

It can be written as a sum of positive squares in 4 ways, for example, as 5433901225 + 24968424196 = 73715^2 + 158014^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30402325421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30402325441) 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, 40321010 + ... + 40321763.

It is an arithmetic number, because the mean of its divisors is an integer number (4233745635).

Almost surely, 2^30402325421 is an apocalyptic number.

It is an amenable number.

30402325421 is a deficient number, since it is larger than the sum of its proper divisors (3467639659).

30402325421 is a wasteful number, since it uses less digits than its factorization.

30402325421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80642815.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 30402325421 its reverse (12452320403), we get a palindrome (42854645824).

The spelling of 30402325421 in words is "thirty billion, four hundred two million, three hundred twenty-five thousand, four hundred twenty-one".