133233131 has 8 divisors (see below), whose sum is σ = 141359904. Its totient is φ = 125138560.

The previous prime is 133233119. The next prime is 133233161. The reversal of 133233131 is 131332331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133233131 - 2¹⁰ = 133232107 is a prime.

It is a super-2 number, since 2×133233131² = 35502134392126322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133233161) 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 7 ways as a sum of consecutive naturals, for example, 761 + ... + 16341.

It is an arithmetic number, because the mean of its divisors is an integer number (17669988).

Almost surely, 2^133233131 is an apocalyptic number.

133233131 is a deficient number, since it is larger than the sum of its proper divisors (8126773).

133233131 is a wasteful number, since it uses less digits than its factorization.

133233131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16101.

The product of its digits is 486, while the sum is 20.

The square root of 133233131 is about 11542.6656799892. The cubic root of 133233131 is about 510.7449462014.

Adding to 133233131 its reverse (131332331), we get a palindrome (264565462).

The spelling of 133233131 in words is "one hundred thirty-three million, two hundred thirty-three thousand, one hundred thirty-one".