100033233281 has 2 divisors, whose sum is σ = 100033233282. Its totient is φ = 100033233280.

The previous prime is 100033233277. The next prime is 100033233371. The reversal of 100033233281 is 182332330001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70934332225 + 29098901056 = 266335^2 + 170584^2 .

It is a cyclic number.

It is not a de Polignac number, because 100033233281 - 2² = 100033233277 is a prime.

It is a super-2 number, since 2×100033233281² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100033233281.

It is not a weakly prime, because it can be changed into another prime (100033233241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50016616640 + 50016616641.

It is an arithmetic number, because the mean of its divisors is an integer number (50016616641).

Almost surely, 2^100033233281 is an apocalyptic number.

It is an amenable number.

100033233281 is a deficient number, since it is larger than the sum of its proper divisors (1).

100033233281 is an equidigital number, since it uses as much as digits as its factorization.

100033233281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 100033233281 its reverse (182332330001), we get a palindrome (282365563282).

The spelling of 100033233281 in words is "one hundred billion, thirty-three million, two hundred thirty-three thousand, two hundred eighty-one".