201313021033 has 2 divisors, whose sum is σ = 201313021034. Its totient is φ = 201313021032.

The previous prime is 201313021027. The next prime is 201313021061. The reversal of 201313021033 is 330120313102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177449877504 + 23863143529 = 421248^2 + 154477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201313021033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201313021033.

It is not a weakly prime, because it can be changed into another prime (201313022033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100656510516 + 100656510517.

It is an arithmetic number, because the mean of its divisors is an integer number (100656510517).

Almost surely, 2^201313021033 is an apocalyptic number.

It is an amenable number.

201313021033 is a deficient number, since it is larger than the sum of its proper divisors (1).

201313021033 is an equidigital number, since it uses as much as digits as its factorization.

201313021033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 201313021033 its reverse (330120313102), we get a palindrome (531433334135).

The spelling of 201313021033 in words is "two hundred one billion, three hundred thirteen million, twenty-one thousand, thirty-three".