133031033029981 has 2 divisors, whose sum is σ = 133031033029982. Its totient is φ = 133031033029980.

The previous prime is 133031033029933. The next prime is 133031033030009. The reversal of 133031033029981 is 189920330130331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98500483917081 + 34530549112900 = 9924741^2 + 5876270^2 .

It is a cyclic number.

It is not a de Polignac number, because 133031033029981 - 2²⁹ = 133030496159069 is a prime.

It is a super-2 number, since 2×133031033029981² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133031033029901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66515516514990 + 66515516514991.

It is an arithmetic number, because the mean of its divisors is an integer number (66515516514991).

Almost surely, 2^{133031033029981} is an apocalyptic number.

It is an amenable number.

133031033029981 is a deficient number, since it is larger than the sum of its proper divisors (1).

133031033029981 is an equidigital number, since it uses as much as digits as its factorization.

133031033029981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 46.

The spelling of 133031033029981 in words is "one hundred thirty-three trillion, thirty-one billion, thirty-three million, twenty-nine thousand, nine hundred eighty-one".