201431107 has 2 divisors, whose sum is σ = 201431108. Its totient is φ = 201431106.

The previous prime is 201431101. The next prime is 201431117. The reversal of 201431107 is 701134102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201431107 - 2¹⁹ = 200906819 is a prime.

It is not a weakly prime, because it can be changed into another prime (201431101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100715553 + 100715554.

It is an arithmetic number, because the mean of its divisors is an integer number (100715554).

Almost surely, 2^201431107 is an apocalyptic number.

201431107 is a deficient number, since it is larger than the sum of its proper divisors (1).

201431107 is an equidigital number, since it uses as much as digits as its factorization.

201431107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 201431107 is about 14192.6427066984. The cubic root of 201431107 is about 586.1950945650.

Adding to 201431107 its reverse (701134102), we get a palindrome (902565209).

The spelling of 201431107 in words is "two hundred one million, four hundred thirty-one thousand, one hundred seven".