133332303281 has 2 divisors, whose sum is σ = 133332303282. Its totient is φ = 133332303280.

The previous prime is 133332303233. The next prime is 133332303301. The reversal of 133332303281 is 182303233331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131885185600 + 1447117681 = 363160^2 + 38041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133332303281 is a prime.

It is a super-2 number, since 2×133332303281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133332393281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66666151640 + 66666151641.

It is an arithmetic number, because the mean of its divisors is an integer number (66666151641).

Almost surely, 2^133332303281 is an apocalyptic number.

It is an amenable number.

133332303281 is a deficient number, since it is larger than the sum of its proper divisors (1).

133332303281 is an equidigital number, since it uses as much as digits as its factorization.

133332303281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 133332303281 in words is "one hundred thirty-three billion, three hundred thirty-two million, three hundred three thousand, two hundred eighty-one".