201381387341 has 2 divisors, whose sum is σ = 201381387342. Its totient is φ = 201381387340.

The previous prime is 201381387253. The next prime is 201381387349. The reversal of 201381387341 is 143783183102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201093949225 + 287438116 = 448435^2 + 16954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201381387341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201381387349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100690693670 + 100690693671.

It is an arithmetic number, because the mean of its divisors is an integer number (100690693671).

Almost surely, 2^201381387341 is an apocalyptic number.

It is an amenable number.

201381387341 is a deficient number, since it is larger than the sum of its proper divisors (1).

201381387341 is an equidigital number, since it uses as much as digits as its factorization.

201381387341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 201381387341 in words is "two hundred one billion, three hundred eighty-one million, three hundred eighty-seven thousand, three hundred forty-one".