201023304040331 has 2 divisors, whose sum is σ = 201023304040332. Its totient is φ = 201023304040330.

The previous prime is 201023304040327. The next prime is 201023304040337. The reversal of 201023304040331 is 133040403320102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201023304040331 - 2² = 201023304040327 is a prime.

It is a super-2 number, since 2×201023304040331² (a number of 29 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 201023304040331.

It is not a weakly prime, because it can be changed into another prime (201023304040337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100511652020165 + 100511652020166.

It is an arithmetic number, because the mean of its divisors is an integer number (100511652020166).

Almost surely, 2^{201023304040331} is an apocalyptic number.

201023304040331 is a deficient number, since it is larger than the sum of its proper divisors (1).

201023304040331 is an equidigital number, since it uses as much as digits as its factorization.

201023304040331 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 26.

Adding to 201023304040331 its reverse (133040403320102), we get a palindrome (334063707360433).

The spelling of 201023304040331 in words is "two hundred one trillion, twenty-three billion, three hundred four million, forty thousand, three hundred thirty-one".