201351342377 has 2 divisors, whose sum is σ = 201351342378. Its totient is φ = 201351342376.

The previous prime is 201351342341. The next prime is 201351342389. The reversal of 201351342377 is 773243153102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136341131536 + 65010210841 = 369244^2 + 254971^2 .

It is a cyclic number.

It is not a de Polignac number, because 201351342377 - 2¹⁰ = 201351341353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201351342377.

It is not a weakly prime, because it can be changed into another prime (201351342307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100675671188 + 100675671189.

It is an arithmetic number, because the mean of its divisors is an integer number (100675671189).

Almost surely, 2^201351342377 is an apocalyptic number.

It is an amenable number.

201351342377 is a deficient number, since it is larger than the sum of its proper divisors (1).

201351342377 is an equidigital number, since it uses as much as digits as its factorization.

201351342377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 38.

Adding to 201351342377 its reverse (773243153102), we get a palindrome (974594495479).

The spelling of 201351342377 in words is "two hundred one billion, three hundred fifty-one million, three hundred forty-two thousand, three hundred seventy-seven".