303305231322146 has 12 divisors (see below), whose sum is σ = 471187021075602. Its totient is φ = 146423215120224.

The previous prime is 303305231322113. The next prime is 303305231322193. The reversal of 303305231322146 is 641223132503303.

It can be written as a sum of positive squares in 3 ways, for example, as 257671680144025 + 45633551178121 = 16052155^2 + 6755261^2 .

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 90162076595 + ... + 90162079958.

Almost surely, 2^{303305231322146} is an apocalyptic number.

303305231322146 is a deficient number, since it is larger than the sum of its proper divisors (167881789753456).

303305231322146 is a wasteful number, since it uses less digits than its factorization.

303305231322146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180324156613 (or 180324156584 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 38.

Adding to 303305231322146 its reverse (641223132503303), we get a palindrome (944528363825449).

The spelling of 303305231322146 in words is "three hundred three trillion, three hundred five billion, two hundred thirty-one million, three hundred twenty-two thousand, one hundred forty-six".