201000103391 has 2 divisors, whose sum is σ = 201000103392. Its totient is φ = 201000103390.

The previous prime is 201000103357. The next prime is 201000103477. The reversal of 201000103391 is 193301000102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201000103391 - 2⁶ = 201000103327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201000103691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500051695 + 100500051696.

It is an arithmetic number, because the mean of its divisors is an integer number (100500051696).

Almost surely, 2^201000103391 is an apocalyptic number.

201000103391 is a deficient number, since it is larger than the sum of its proper divisors (1).

201000103391 is an equidigital number, since it uses as much as digits as its factorization.

201000103391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 201000103391 its reverse (193301000102), we get a palindrome (394301103493).

The spelling of 201000103391 in words is "two hundred one billion, one hundred three thousand, three hundred ninety-one".