531323231422 has 16 divisors (see below), whose sum is σ = 800291696400. Its totient is φ = 264561563200.

The previous prime is 531323231407. The next prime is 531323231429. The reversal of 531323231422 is 224132323135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531323231429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80329 + ... + 1033972.

It is an arithmetic number, because the mean of its divisors is an integer number (50018231025).

Almost surely, 2^531323231422 is an apocalyptic number.

531323231422 is a deficient number, since it is larger than the sum of its proper divisors (268968464978).

531323231422 is a wasteful number, since it uses less digits than its factorization.

531323231422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115291.

The product of its digits is 25920, while the sum is 31.

Adding to 531323231422 its reverse (224132323135), we get a palindrome (755455554557).

The spelling of 531323231422 in words is "five hundred thirty-one billion, three hundred twenty-three million, two hundred thirty-one thousand, four hundred twenty-two".