133200233281 has 2 divisors, whose sum is σ = 133200233282. Its totient is φ = 133200233280.

The previous prime is 133200233237. The next prime is 133200233329. The reversal of 133200233281 is 182332002331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77794135056 + 55406098225 = 278916^2 + 235385^2 .

It is a cyclic number.

It is not a de Polignac number, because 133200233281 - 2²³ = 133191844673 is a prime.

It is a super-2 number, since 2×133200233281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133200233081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66600116640 + 66600116641.

It is an arithmetic number, because the mean of its divisors is an integer number (66600116641).

Almost surely, 2^133200233281 is an apocalyptic number.

It is an amenable number.

133200233281 is a deficient number, since it is larger than the sum of its proper divisors (1).

133200233281 is an equidigital number, since it uses as much as digits as its factorization.

133200233281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 133200233281 in words is "one hundred thirty-three billion, two hundred million, two hundred thirty-three thousand, two hundred eighty-one".