133131220330303 has 4 divisors (see below), whose sum is σ = 143372083432648. Its totient is φ = 122890357227960.

The previous prime is 133131220330301. The next prime is 133131220330307. The reversal of 133131220330303 is 303033022131331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133131220330303 - 2¹ = 133131220330301 is a prime.

It is a super-3 number, since 3×133131220330303³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133131220330301) 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, 5120431551153 + ... + 5120431551178.

It is an arithmetic number, because the mean of its divisors is an integer number (35843020858162).

Almost surely, 2^{133131220330303} is an apocalyptic number.

133131220330303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133131220330303 is a deficient number, since it is larger than the sum of its proper divisors (10240863102345).

133131220330303 is a wasteful number, since it uses less digits than its factorization.

133131220330303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10240863102344.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 133131220330303 its reverse (303033022131331), we get a palindrome (436164242461634).

The spelling of 133131220330303 in words is "one hundred thirty-three trillion, one hundred thirty-one billion, two hundred twenty million, three hundred thirty thousand, three hundred three".