201330312011 has 2 divisors, whose sum is σ = 201330312012. Its totient is φ = 201330312010.

The previous prime is 201330311989. The next prime is 201330312091. The reversal of 201330312011 is 110213033102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201330312011 - 2³⁰ = 200256570187 is a prime.

It is a super-2 number, since 2×201330312011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201330312091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100665156005 + 100665156006.

It is an arithmetic number, because the mean of its divisors is an integer number (100665156006).

Almost surely, 2^201330312011 is an apocalyptic number.

201330312011 is a deficient number, since it is larger than the sum of its proper divisors (1).

201330312011 is an equidigital number, since it uses as much as digits as its factorization.

201330312011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 201330312011 its reverse (110213033102), we get a palindrome (311543345113).

The spelling of 201330312011 in words is "two hundred one billion, three hundred thirty million, three hundred twelve thousand, eleven".