325224031321 has 12 divisors (see below), whose sum is σ = 378336655488. Its totient is φ = 278752533192.

The previous prime is 325224031261. The next prime is 325224031331. The reversal of 325224031321 is 123130422523.

It is a happy number.

It is not a de Polignac number, because 325224031321 - 2¹³ = 325224023129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 325224031321.

It is not an unprimeable number, because it can be changed into a prime (325224031331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1289980 + ... + 1521346.

It is an arithmetic number, because the mean of its divisors is an integer number (31528054624).

Almost surely, 2^325224031321 is an apocalyptic number.

It is an amenable number.

325224031321 is a deficient number, since it is larger than the sum of its proper divisors (53112624167).

325224031321 is a wasteful number, since it uses less digits than its factorization.

325224031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260068 (or 260061 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 325224031321 its reverse (123130422523), we get a palindrome (448354453844).

The spelling of 325224031321 in words is "three hundred twenty-five billion, two hundred twenty-four million, thirty-one thousand, three hundred twenty-one".