201331343 has 2 divisors, whose sum is σ = 201331344. Its totient is φ = 201331342.

The previous prime is 201331337. The next prime is 201331399. The reversal of 201331343 is 343133102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201331343 - 2⁴ = 201331327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201331043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100665671 + 100665672.

It is an arithmetic number, because the mean of its divisors is an integer number (100665672).

Almost surely, 2^201331343 is an apocalyptic number.

201331343 is a deficient number, since it is larger than the sum of its proper divisors (1).

201331343 is an equidigital number, since it uses as much as digits as its factorization.

201331343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 201331343 is about 14189.1276335087. The cubic root of 201331343 is about 586.0983024563.

Adding to 201331343 its reverse (343133102), we get a palindrome (544464445).

The spelling of 201331343 in words is "two hundred one million, three hundred thirty-one thousand, three hundred forty-three".