304030133421 has 96 divisors (see below), whose sum is σ = 488939028480. Its totient is φ = 164534436864.

The previous prime is 304030133401. The next prime is 304030133461. The reversal of 304030133421 is 124331030403.

It is not a de Polignac number, because 304030133421 - 2¹⁴ = 304030117037 is a prime.

It is a super-2 number, since 2×304030133421² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 304030133391 and 304030133400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304030133401) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 301317765 + ... + 301318773.

It is an arithmetic number, because the mean of its divisors is an integer number (5093114880).

Almost surely, 2^304030133421 is an apocalyptic number.

It is an amenable number.

304030133421 is a deficient number, since it is larger than the sum of its proper divisors (184908895059).

304030133421 is a wasteful number, since it uses less digits than its factorization.

304030133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 304030133421 its reverse (124331030403), we get a palindrome (428361163824).

The spelling of 304030133421 in words is "three hundred four billion, thirty million, one hundred thirty-three thousand, four hundred twenty-one".