30404120321 has 8 divisors (see below), whose sum is σ = 32008855200. Its totient is φ = 28799837280.

The previous prime is 30404120311. The next prime is 30404120419. The reversal of 30404120321 is 12302140403.

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 30404120321 - 2²⁶ = 30337011457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30404120293 and 30404120302.

It is not an unprimeable number, because it can be changed into a prime (30404120311) 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, 29810 + ... + 248388.

It is an arithmetic number, because the mean of its divisors is an integer number (4001106900).

Almost surely, 2^30404120321 is an apocalyptic number.

It is an amenable number.

30404120321 is a deficient number, since it is larger than the sum of its proper divisors (1604734879).

30404120321 is a wasteful number, since it uses less digits than its factorization.

30404120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225919.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30404120321 its reverse (12302140403), we get a palindrome (42706260724).

The spelling of 30404120321 in words is "thirty billion, four hundred four million, one hundred twenty thousand, three hundred twenty-one".