133313322331 has 8 divisors (see below), whose sum is σ = 160376929280. Its totient is φ = 108254427048.

The previous prime is 133313322301. The next prime is 133313322367. The reversal of 133313322331 is 133223313331.

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 133313322331 - 2⁵ = 133313322299 is a prime.

It is a super-2 number, since 2×133313322331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133313322331.

It is not an unprimeable number, because it can be changed into a prime (133313322301) 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, 501177771 + ... + 501178036.

It is an arithmetic number, because the mean of its divisors is an integer number (20047116160).

Almost surely, 2^133313322331 is an apocalyptic number.

133313322331 is a deficient number, since it is larger than the sum of its proper divisors (27063606949).

133313322331 is a wasteful number, since it uses less digits than its factorization.

133313322331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002355833.

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

Adding to 133313322331 its reverse (133223313331), we get a palindrome (266536635662).

The spelling of 133313322331 in words is "one hundred thirty-three billion, three hundred thirteen million, three hundred twenty-two thousand, three hundred thirty-one".