13033232281 has 2 divisors, whose sum is σ = 13033232282. Its totient is φ = 13033232280.

The previous prime is 13033232231. The next prime is 13033232297. The reversal of 13033232281 is 18223233031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11949769225 + 1083463056 = 109315^2 + 32916^2 .

It is a cyclic number.

It is not a de Polignac number, because 13033232281 - 2⁹ = 13033231769 is a prime.

It is a super-2 number, since 2×13033232281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13033232231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6516616140 + 6516616141.

It is an arithmetic number, because the mean of its divisors is an integer number (6516616141).

Almost surely, 2^13033232281 is an apocalyptic number.

It is an amenable number.

13033232281 is a deficient number, since it is larger than the sum of its proper divisors (1).

13033232281 is an equidigital number, since it uses as much as digits as its factorization.

13033232281 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 13033232281 in words is "thirteen billion, thirty-three million, two hundred thirty-two thousand, two hundred eighty-one".