201331230324 has 48 divisors (see below), whose sum is σ = 536908460928. Its totient is φ = 57520510848.

The previous prime is 201331230323. The next prime is 201331230413. The reversal of 201331230324 is 423032133102.

It is a junction number, because it is equal to n+sod(n) for n = 201331230294 and 201331230303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201331230323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2360242 + ... + 2444054.

It is an arithmetic number, because the mean of its divisors is an integer number (11185592936).

Almost surely, 2^201331230324 is an apocalyptic number.

It is an amenable number.

201331230324 is an abundant number, since it is smaller than the sum of its proper divisors (335577230604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201331230324 is a wasteful number, since it uses less digits than its factorization.

201331230324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112424 (or 112422 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 201331230324 its reverse (423032133102), we get a palindrome (624363363426).

The spelling of 201331230324 in words is "two hundred one billion, three hundred thirty-one million, two hundred thirty thousand, three hundred twenty-four".