303343230421 has 32 divisors (see below), whose sum is σ = 385647814656. Its totient is φ = 231758280000.

The previous prime is 303343230409. The next prime is 303343230427. The reversal of 303343230421 is 124032343303.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 303343230421 - 2¹³ = 303343222229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 303343230421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303343230427) 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 31 ways as a sum of consecutive naturals, for example, 611686 + ... + 990376.

It is an arithmetic number, because the mean of its divisors is an integer number (12051494208).

Almost surely, 2^303343230421 is an apocalyptic number.

It is an amenable number.

303343230421 is a deficient number, since it is larger than the sum of its proper divisors (82304584235).

303343230421 is a wasteful number, since it uses less digits than its factorization.

303343230421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378913.

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 303343230421 its reverse (124032343303), we get a palindrome (427375573724).

The spelling of 303343230421 in words is "three hundred three billion, three hundred forty-three million, two hundred thirty thousand, four hundred twenty-one".