201442331 has 2 divisors, whose sum is σ = 201442332. Its totient is φ = 201442330.

The previous prime is 201442301. The next prime is 201442361. The reversal of 201442331 is 133244102.

It is a balanced prime because it is at equal distance from previous prime (201442301) and next prime (201442361).

It is a cyclic number.

It is not a de Polignac number, because 201442331 - 2¹⁴ = 201425947 is a prime.

It is a super-2 number, since 2×201442331² = 81158025437427122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201442301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100721165 + 100721166.

It is an arithmetic number, because the mean of its divisors is an integer number (100721166).

Almost surely, 2^201442331 is an apocalyptic number.

201442331 is a deficient number, since it is larger than the sum of its proper divisors (1).

201442331 is an equidigital number, since it uses as much as digits as its factorization.

201442331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 201442331 is about 14193.0381173306. The cubic root of 201442331 is about 586.2059822107.

Adding to 201442331 its reverse (133244102), we get a palindrome (334686433).

The spelling of 201442331 in words is "two hundred one million, four hundred forty-two thousand, three hundred thirty-one".