201431232244 has 24 divisors (see below), whose sum is σ = 393929819136. Its totient is φ = 89326488000.

The previous prime is 201431232229. The next prime is 201431232251. The reversal of 201431232244 is 442232134102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55827252 + ... + 55830859.

It is an arithmetic number, because the mean of its divisors is an integer number (16413742464).

Almost surely, 2^201431232244 is an apocalyptic number.

It is an amenable number.

201431232244 is a deficient number, since it is larger than the sum of its proper divisors (192498586892).

201431232244 is a wasteful number, since it uses less digits than its factorization.

201431232244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111658167 (or 111658165 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 201431232244 its reverse (442232134102), we get a palindrome (643663366346).

The spelling of 201431232244 in words is "two hundred one billion, four hundred thirty-one million, two hundred thirty-two thousand, two hundred forty-four".