305130401421 has 32 divisors (see below), whose sum is σ = 423492157440. Its totient is φ = 195260016000.

The previous prime is 305130401419. The next prime is 305130401437. The reversal of 305130401421 is 124104031503.

It is a happy number.

It is not a de Polignac number, because 305130401421 - 2¹ = 305130401419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 305130401391 and 305130401400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305130401461) 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, 44147956 + ... + 44154866.

It is an arithmetic number, because the mean of its divisors is an integer number (13234129920).

Almost surely, 2^305130401421 is an apocalyptic number.

It is an amenable number.

305130401421 is a deficient number, since it is larger than the sum of its proper divisors (118361756019).

305130401421 is a wasteful number, since it uses less digits than its factorization.

305130401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12817.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 305130401421 its reverse (124104031503), we get a palindrome (429234432924).

The spelling of 305130401421 in words is "three hundred five billion, one hundred thirty million, four hundred one thousand, four hundred twenty-one".