133311304 has 32 divisors (see below), whose sum is σ = 289699200. Its totient is φ = 56327040.

The previous prime is 133311301. The next prime is 133311313. The reversal of 133311304 is 403113331.

133311304 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (133311301) 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, 12789 + ... + 20740.

It is an arithmetic number, because the mean of its divisors is an integer number (9053100).

Almost surely, 2^133311304 is an apocalyptic number.

133311304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

133311304 is an abundant number, since it is smaller than the sum of its proper divisors (156387896).

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

133311304 is a wasteful number, since it uses less digits than its factorization.

133311304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33613 (or 33609 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 133311304 is about 11546.0514462737. The cubic root of 133311304 is about 510.8448179028.

Adding to 133311304 its reverse (403113331), we get a palindrome (536424635).

The spelling of 133311304 in words is "one hundred thirty-three million, three hundred eleven thousand, three hundred four".