133311211120231 has 2 divisors, whose sum is σ = 133311211120232. Its totient is φ = 133311211120230.

The previous prime is 133311211120223. The next prime is 133311211120237. The reversal of 133311211120231 is 132021112113331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133311211120231 - 2³ = 133311211120223 is a prime.

It is a super-2 number, since 2×133311211120231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133311211120196 and 133311211120205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133311211120237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66655605560115 + 66655605560116.

It is an arithmetic number, because the mean of its divisors is an integer number (66655605560116).

Almost surely, 2^{133311211120231} is an apocalyptic number.

133311211120231 is a deficient number, since it is larger than the sum of its proper divisors (1).

133311211120231 is an equidigital number, since it uses as much as digits as its factorization.

133311211120231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 133311211120231 its reverse (132021112113331), we get a palindrome (265332323233562).

The spelling of 133311211120231 in words is "one hundred thirty-three trillion, three hundred eleven billion, two hundred eleven million, one hundred twenty thousand, two hundred thirty-one".