133311030 has 32 divisors (see below), whose sum is σ = 336787200. Its totient is φ = 33678432.

The previous prime is 133311029. The next prime is 133311041. The reversal of 133311030 is 30113331.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116370 + ... + 117509.

It is an arithmetic number, because the mean of its divisors is an integer number (10524600).

Almost surely, 2^133311030 is an apocalyptic number.

133311030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133311030 is an abundant number, since it is smaller than the sum of its proper divisors (203476170).

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

133311030 is a wasteful number, since it uses less digits than its factorization.

133311030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233908.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 133311030 is about 11546.0395807394. The cubic root of 133311030 is about 510.8444679161.

Adding to 133311030 its reverse (30113331), we get a palindrome (163424361).

The spelling of 133311030 in words is "one hundred thirty-three million, three hundred eleven thousand, thirty".