133023000165331 has 4 divisors (see below), whose sum is σ = 133023033324000. Its totient is φ = 133022967006664.

The previous prime is 133023000165313. The next prime is 133023000165359. The reversal of 133023000165331 is 133561000320331.

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 133023000165331 - 2¹⁷ = 133023000034259 is a prime.

It is a super-2 number, since 2×133023000165331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133023000165293 and 133023000165302.

It is not an unprimeable number, because it can be changed into a prime (133023000165301) 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, 9575536 + ... + 18913933.

It is an arithmetic number, because the mean of its divisors is an integer number (33255758331000).

Almost surely, 2^{133023000165331} is an apocalyptic number.

133023000165331 is a deficient number, since it is larger than the sum of its proper divisors (33158669).

133023000165331 is an equidigital number, since it uses as much as digits as its factorization.

133023000165331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33158668.

The product of its (nonzero) digits is 14580, while the sum is 31.

Adding to 133023000165331 its reverse (133561000320331), we get a palindrome (266584000485662).

The spelling of 133023000165331 in words is "one hundred thirty-three trillion, twenty-three billion, one hundred sixty-five thousand, three hundred thirty-one".