30441320421 has 32 divisors (see below), whose sum is σ = 43382592000. Its totient is φ = 18932211648.

The previous prime is 30441320407. The next prime is 30441320473. The reversal of 30441320421 is 12402314403.

It is not a de Polignac number, because 30441320421 - 2⁷ = 30441320293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30441320391 and 30441320400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30441320401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 997690 + ... + 1027748.

It is an arithmetic number, because the mean of its divisors is an integer number (1355706000).

Almost surely, 2^30441320421 is an apocalyptic number.

It is an amenable number.

30441320421 is a deficient number, since it is larger than the sum of its proper divisors (12941271579).

30441320421 is a wasteful number, since it uses less digits than its factorization.

30441320421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30353.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30441320421 its reverse (12402314403), we get a palindrome (42843634824).

The spelling of 30441320421 in words is "thirty billion, four hundred forty-one million, three hundred twenty thousand, four hundred twenty-one".