201340200031 has 2 divisors, whose sum is σ = 201340200032. Its totient is φ = 201340200030.

The previous prime is 201340200029. The next prime is 201340200059. The reversal of 201340200031 is 130002043102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201340200031 - 2¹ = 201340200029 is a prime.

It is a super-2 number, since 2×201340200031² (a number of 23 digits) contains 22 as substring.

Together with 201340200029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 201340199978 and 201340200014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201340200011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100670100015 + 100670100016.

It is an arithmetic number, because the mean of its divisors is an integer number (100670100016).

Almost surely, 2^201340200031 is an apocalyptic number.

201340200031 is a deficient number, since it is larger than the sum of its proper divisors (1).

201340200031 is an equidigital number, since it uses as much as digits as its factorization.

201340200031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 201340200031 its reverse (130002043102), we get a palindrome (331342243133).

The spelling of 201340200031 in words is "two hundred one billion, three hundred forty million, two hundred thousand, thirty-one".