133031333233 has 4 divisors (see below), whose sum is σ = 134715274240. Its totient is φ = 131347392228.

The previous prime is 133031333221. The next prime is 133031333327. The reversal of 133031333233 is 332333130331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133031333233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133011333233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841970385 + ... + 841970542.

It is an arithmetic number, because the mean of its divisors is an integer number (33678818560).

Almost surely, 2^133031333233 is an apocalyptic number.

It is an amenable number.

133031333233 is a deficient number, since it is larger than the sum of its proper divisors (1683941007).

133031333233 is an equidigital number, since it uses as much as digits as its factorization.

133031333233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683941006.

The product of its (nonzero) digits is 13122, while the sum is 28.

Adding to 133031333233 its reverse (332333130331), we get a palindrome (465364463564).

The spelling of 133031333233 in words is "one hundred thirty-three billion, thirty-one million, three hundred thirty-three thousand, two hundred thirty-three".