201231344 has 10 divisors (see below), whose sum is σ = 389885760. Its totient is φ = 100615664.

The previous prime is 201231343. The next prime is 201231353. The reversal of 201231344 is 443132102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201231341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6288464 + ... + 6288495.

It is an arithmetic number, because the mean of its divisors is an integer number (38988576).

Almost surely, 2^201231344 is an apocalyptic number.

It is an amenable number.

201231344 is a deficient number, since it is larger than the sum of its proper divisors (188654416).

201231344 is a wasteful number, since it uses less digits than its factorization.

201231344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12576967 (or 12576961 counting only the distinct ones).

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

The square root of 201231344 is about 14185.6034062707. The cubic root of 201231344 is about 586.0012502546.

Adding to 201231344 its reverse (443132102), we get a palindrome (644363446).

The spelling of 201231344 in words is "two hundred one million, two hundred thirty-one thousand, three hundred forty-four".