531325222320 has 40 divisors (see below), whose sum is σ = 1647108189936. Its totient is φ = 141686725888.

The previous prime is 531325222279. The next prime is 531325222321. The reversal of 531325222320 is 23222523135.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (531325222321) 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, 1106927307 + ... + 1106927786.

Almost surely, 2^531325222320 is an apocalyptic number.

It is an amenable number.

531325222320 is an abundant number, since it is smaller than the sum of its proper divisors (1115782967616).

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

531325222320 is a wasteful number, since it uses less digits than its factorization.

531325222320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213855109 (or 2213855103 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 531325222320 its reverse (23222523135), we get a palindrome (554547745455).

The spelling of 531325222320 in words is "five hundred thirty-one billion, three hundred twenty-five million, two hundred twenty-two thousand, three hundred twenty".