201344631 has 8 divisors (see below), whose sum is σ = 268525824. Its totient is φ = 134196600.

The previous prime is 201344587. The next prime is 201344677. The reversal of 201344631 is 136443102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201344631 - 2⁹ = 201344119 is a prime.

It is a super-2 number, since 2×201344631² = 81079320865052322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201344681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16306 + ... + 25856.

It is an arithmetic number, because the mean of its divisors is an integer number (33565728).

Almost surely, 2^201344631 is an apocalyptic number.

201344631 is a deficient number, since it is larger than the sum of its proper divisors (67181193).

201344631 is an equidigital number, since it uses as much as digits as its factorization.

201344631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16581.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 201344631 is about 14189.5958716237. The cubic root of 201344631 is about 586.1111964627. Note that the first 4 decimals are identical.

Adding to 201344631 its reverse (136443102), we get a palindrome (337787733).

The spelling of 201344631 in words is "two hundred one million, three hundred forty-four thousand, six hundred thirty-one".