201630343 has 2 divisors, whose sum is σ = 201630344. Its totient is φ = 201630342.

The previous prime is 201630313. The next prime is 201630361. The reversal of 201630343 is 343036102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201630343 is a prime.

It is equal to p_11164261 and since 201630343 and 11164261 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201630313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100815171 + 100815172.

It is an arithmetic number, because the mean of its divisors is an integer number (100815172).

Almost surely, 2^201630343 is an apocalyptic number.

201630343 is a deficient number, since it is larger than the sum of its proper divisors (1).

201630343 is an equidigital number, since it uses as much as digits as its factorization.

201630343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 201630343 is about 14199.6599607174. The cubic root of 201630343 is about 586.3882998791.

Adding to 201630343 its reverse (343036102), we get a palindrome (544666445).

The spelling of 201630343 in words is "two hundred one million, six hundred thirty thousand, three hundred forty-three".