201431327 has 2 divisors, whose sum is σ = 201431328. Its totient is φ = 201431326.

The previous prime is 201431311. The next prime is 201431341. The reversal of 201431327 is 723134102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201431327 - 2⁴ = 201431311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201431927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100715663 + 100715664.

It is an arithmetic number, because the mean of its divisors is an integer number (100715664).

Almost surely, 2^201431327 is an apocalyptic number.

201431327 is a deficient number, since it is larger than the sum of its proper divisors (1).

201431327 is an equidigital number, since it uses as much as digits as its factorization.

201431327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 201431327 is about 14192.6504571909. The cubic root of 201431327 is about 586.1953079761.

Adding to 201431327 its reverse (723134102), we get a palindrome (924565429).

The spelling of 201431327 in words is "two hundred one million, four hundred thirty-one thousand, three hundred twenty-seven".