201320351 has 2 divisors, whose sum is σ = 201320352. Its totient is φ = 201320350.

The previous prime is 201320321. The next prime is 201320377. The reversal of 201320351 is 153023102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201320351 - 2²⁶ = 134211487 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201320321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100660175 + 100660176.

It is an arithmetic number, because the mean of its divisors is an integer number (100660176).

Almost surely, 2^201320351 is an apocalyptic number.

201320351 is a deficient number, since it is larger than the sum of its proper divisors (1).

201320351 is an equidigital number, since it uses as much as digits as its factorization.

201320351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 201320351 is about 14188.7402893985. The cubic root of 201320351 is about 586.0876359439.

Adding to 201320351 its reverse (153023102), we get a palindrome (354343453).

The spelling of 201320351 in words is "two hundred one million, three hundred twenty thousand, three hundred fifty-one".