303323212132 has 24 divisors (see below), whose sum is σ = 550531308600. Its totient is φ = 146055442176.

The previous prime is 303323212111. The next prime is 303323212163. The reversal of 303323212132 is 231212323303.

It can be written as a sum of positive squares in 4 ways, for example, as 41809616676 + 261513595456 = 204474^2 + 511384^2 .

It is a junction number, because it is equal to n+sod(n) for n = 303323212097 and 303323212106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3315873 + ... + 3406120.

It is an arithmetic number, because the mean of its divisors is an integer number (22938804525).

Almost surely, 2^303323212132 is an apocalyptic number.

It is an amenable number.

303323212132 is a deficient number, since it is larger than the sum of its proper divisors (247208096468).

303323212132 is a wasteful number, since it uses less digits than its factorization.

303323212132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722415 (or 6722413 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 303323212132 its reverse (231212323303), we get a palindrome (534535535435).

The spelling of 303323212132 in words is "three hundred three billion, three hundred twenty-three million, two hundred twelve thousand, one hundred thirty-two".