201431324 has 12 divisors (see below), whose sum is σ = 353057544. Its totient is φ = 100557744.

The previous prime is 201431311. The next prime is 201431327. The reversal of 201431324 is 423134102.

It is a junction number, because it is equal to n+sod(n) for n = 201431296 and 201431305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201431327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36587 + ... + 41730.

It is an arithmetic number, because the mean of its divisors is an integer number (29421462).

Almost surely, 2^201431324 is an apocalyptic number.

It is an amenable number.

201431324 is a deficient number, since it is larger than the sum of its proper divisors (151626220).

201431324 is a wasteful number, since it uses less digits than its factorization.

201431324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78964 (or 78962 counting only the distinct ones).

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

The square root of 201431324 is about 14192.6503515024. The cubic root of 201431324 is about 586.1953050659.

Adding to 201431324 its reverse (423134102), we get a palindrome (624565426).

The spelling of 201431324 in words is "two hundred one million, four hundred thirty-one thousand, three hundred twenty-four".