133311211123231 has 8 divisors (see below), whose sum is σ = 133899624497520. Its totient is φ = 132722852256768.

The previous prime is 133311211123217. The next prime is 133311211123273. The reversal of 133311211123231 is 132321112113331.

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 133311211123231 - 2²⁵ = 133311177568799 is a prime.

It is a super-2 number, since 2×133311211123231² (a number of 29 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 133311211123231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133311211120231) 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, 8720821 + ... + 18511486.

It is an arithmetic number, because the mean of its divisors is an integer number (16737453062190).

Almost surely, 2^{133311211123231} is an apocalyptic number.

133311211123231 is a deficient number, since it is larger than the sum of its proper divisors (588413374289).

133311211123231 is a wasteful number, since it uses less digits than its factorization.

133311211123231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27253913.

The product of its digits is 1944, while the sum is 28.

Adding to 133311211123231 its reverse (132321112113331), we get a palindrome (265632323236562).

The spelling of 133311211123231 in words is "one hundred thirty-three trillion, three hundred eleven billion, two hundred eleven million, one hundred twenty-three thousand, two hundred thirty-one".