201340213387 has 2 divisors, whose sum is σ = 201340213388. Its totient is φ = 201340213386.

The previous prime is 201340213381. The next prime is 201340213483. The reversal of 201340213387 is 783312043102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201340213387 is a prime.

It is not a weakly prime, because it can be changed into another prime (201340213381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100670106693 + 100670106694.

It is an arithmetic number, because the mean of its divisors is an integer number (100670106694).

Almost surely, 2^201340213387 is an apocalyptic number.

201340213387 is a deficient number, since it is larger than the sum of its proper divisors (1).

201340213387 is an equidigital number, since it uses as much as digits as its factorization.

201340213387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 201340213387 its reverse (783312043102), we get a palindrome (984652256489).

The spelling of 201340213387 in words is "two hundred one billion, three hundred forty million, two hundred thirteen thousand, three hundred eighty-seven".