303134312 has 64 divisors (see below), whose sum is σ = 625632000. Its totient is φ = 136857600.

The previous prime is 303134311. The next prime is 303134323. The reversal of 303134312 is 213431303.

It is a super-2 number, since 2×303134312² = 183780822223426688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (303134311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1523189 + ... + 1523387.

It is an arithmetic number, because the mean of its divisors is an integer number (9775500).

Almost surely, 2^303134312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303134312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312816000).

303134312 is an abundant number, since it is smaller than the sum of its proper divisors (322497688).

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

303134312 is a wasteful number, since it uses less digits than its factorization.

303134312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 303134312 is about 17410.7527694813. The cubic root of 303134312 is about 671.7562241727.

Adding to 303134312 its reverse (213431303), we get a palindrome (516565615).

The spelling of 303134312 in words is "three hundred three million, one hundred thirty-four thousand, three hundred twelve".