201331320011 has 2 divisors, whose sum is σ = 201331320012. Its totient is φ = 201331320010.

The previous prime is 201331319971. The next prime is 201331320049. The reversal of 201331320011 is 110023133102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201331320011 - 2¹⁴ = 201331303627 is a prime.

It is not a weakly prime, because it can be changed into another prime (201331320811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100665660005 + 100665660006.

It is an arithmetic number, because the mean of its divisors is an integer number (100665660006).

Almost surely, 2^201331320011 is an apocalyptic number.

201331320011 is a deficient number, since it is larger than the sum of its proper divisors (1).

201331320011 is an equidigital number, since it uses as much as digits as its factorization.

201331320011 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 201331320011 its reverse (110023133102), we get a palindrome (311354453113).

The spelling of 201331320011 in words is "two hundred one billion, three hundred thirty-one million, three hundred twenty thousand, eleven".