201311302373 has 2 divisors, whose sum is σ = 201311302374. Its totient is φ = 201311302372.

The previous prime is 201311302193. The next prime is 201311302417. The reversal of 201311302373 is 373203113102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188396798209 + 12914504164 = 434047^2 + 113642^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201311302373 is a prime.

It is a super-2 number, since 2×201311302373² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201311352373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100655651186 + 100655651187.

It is an arithmetic number, because the mean of its divisors is an integer number (100655651187).

Almost surely, 2^201311302373 is an apocalyptic number.

It is an amenable number.

201311302373 is a deficient number, since it is larger than the sum of its proper divisors (1).

201311302373 is an equidigital number, since it uses as much as digits as its factorization.

201311302373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 26.

Adding to 201311302373 its reverse (373203113102), we get a palindrome (574514415475).

The spelling of 201311302373 in words is "two hundred one billion, three hundred eleven million, three hundred two thousand, three hundred seventy-three".