133341681331 has 2 divisors, whose sum is σ = 133341681332. Its totient is φ = 133341681330.

The previous prime is 133341681301. The next prime is 133341681353. The reversal of 133341681331 is 133186143331.

It is a strong prime.

It is an emirp because it is prime and its reverse (133186143331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133341681331 - 2⁵ = 133341681299 is a prime.

It is a super-2 number, since 2×133341681331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133341681301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66670840665 + 66670840666.

It is an arithmetic number, because the mean of its divisors is an integer number (66670840666).

Almost surely, 2^133341681331 is an apocalyptic number.

133341681331 is a deficient number, since it is larger than the sum of its proper divisors (1).

133341681331 is an equidigital number, since it uses as much as digits as its factorization.

133341681331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The spelling of 133341681331 in words is "one hundred thirty-three billion, three hundred forty-one million, six hundred eighty-one thousand, three hundred thirty-one".