305322132 has 24 divisors (see below), whose sum is σ = 713860000. Its totient is φ = 101568096.

The previous prime is 305322119. The next prime is 305322133. The reversal of 305322132 is 231223503.

305322132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 305322099 and 305322108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305322133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19507 + ... + 31482.

Almost surely, 2^305322132 is an apocalyptic number.

It is an amenable number.

305322132 is an abundant number, since it is smaller than the sum of its proper divisors (408537868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305322132 is a wasteful number, since it uses less digits than its factorization.

305322132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51495 (or 51493 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 305322132 is about 17473.4693750268. The cubic root of 305322132 is about 673.3684469048.

Adding to 305322132 its reverse (231223503), we get a palindrome (536545635).

The spelling of 305322132 in words is "three hundred five million, three hundred twenty-two thousand, one hundred thirty-two".