133312002331 has 4 divisors (see below), whose sum is σ = 133312805200. Its totient is φ = 133311199464.

The previous prime is 133312002323. The next prime is 133312002361. The reversal of 133312002331 is 133200213331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 133312002331 - 2³ = 133312002323 is a prime.

It is a super-2 number, since 2×133312002331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133312002311) 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, 49551 + ... + 518728.

It is an arithmetic number, because the mean of its divisors is an integer number (33328201300).

Almost surely, 2^133312002331 is an apocalyptic number.

133312002331 is a deficient number, since it is larger than the sum of its proper divisors (802869).

133312002331 is an equidigital number, since it uses as much as digits as its factorization.

133312002331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802868.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 133312002331 its reverse (133200213331), we get a palindrome (266512215662).

The spelling of 133312002331 in words is "one hundred thirty-three billion, three hundred twelve million, two thousand, three hundred thirty-one".