133311210 has 16 divisors (see below), whose sum is σ = 319946976. Its totient is φ = 35549648.

The previous prime is 133311203. The next prime is 133311287. The reversal of 133311210 is 12113331.

133311210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 133311210.

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, 2221824 + ... + 2221883.

It is an arithmetic number, because the mean of its divisors is an integer number (19996686).

Almost surely, 2^133311210 is an apocalyptic number.

133311210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133311210 is an abundant number, since it is smaller than the sum of its proper divisors (186635766).

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

133311210 is a wasteful number, since it uses less digits than its factorization.

133311210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443717.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 133311210 is about 11546.0473756173. The cubic root of 133311210 is about 510.8446978344.

Adding to 133311210 its reverse (12113331), we get a palindrome (145424541).

It can be divided in two parts, 13331 and 1210, that added together give a palindrome (14541).

The spelling of 133311210 in words is "one hundred thirty-three million, three hundred eleven thousand, two hundred ten".