133111330 has 16 divisors (see below), whose sum is σ = 261382464. Its totient is φ = 48404080.

The previous prime is 133111301. The next prime is 133111331. The reversal of 133111330 is 33111331.

It is not an unprimeable number, because it can be changed into a prime (133111331) 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, 604942 + ... + 605161.

It is an arithmetic number, because the mean of its divisors is an integer number (16336404).

Almost surely, 2^133111330 is an apocalyptic number.

133111330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133111330 is a deficient number, since it is larger than the sum of its proper divisors (128271134).

133111330 is a wasteful number, since it uses less digits than its factorization.

133111330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210121.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 133111330 is about 11537.3883526559. The cubic root of 133111330 is about 510.5892586697.

Adding to 133111330 its reverse (33111331), we get a palindrome (166222661).

Subtracting from 133111330 its reverse (33111331), we obtain a palindrome (99999999).

It can be divided in two parts, 13311 and 1330, that added together give a palindrome (14641).

The spelling of 133111330 in words is "one hundred thirty-three million, one hundred eleven thousand, three hundred thirty".