133111030 has 32 divisors (see below), whose sum is σ = 259777728. Its totient is φ = 48816000.

The previous prime is 133111019. The next prime is 133111039. The reversal of 133111030 is 30111331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 133111030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133111039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16240 + ... + 23020.

It is an arithmetic number, because the mean of its divisors is an integer number (8118054).

Almost surely, 2^133111030 is an apocalyptic number.

133111030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133111030 is a deficient number, since it is larger than the sum of its proper divisors (126666698).

133111030 is a wasteful number, since it uses less digits than its factorization.

133111030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 133111030 is about 11537.3753514393. The cubic root of 133111030 is about 510.5888750888.

Adding to 133111030 its reverse (30111331), we get a palindrome (163222361).

It can be divided in two parts, 13311 and 1030, that added together give a palindrome (14341).

The spelling of 133111030 in words is "one hundred thirty-three million, one hundred eleven thousand, thirty".