321144425325 has 96 divisors (see below), whose sum is σ = 621326899200. Its totient is φ = 162178200000.

The previous prime is 321144425293. The next prime is 321144425347. The reversal of 321144425325 is 523524441123.

It is a happy number.

321144425325 is a `hidden beast` number, since 3 + 2 + 114 + 4 + 4 + 2 + 532 + 5 = 666.

321144425325 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 321144425325 - 2⁵ = 321144425293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321144425325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 30146250 + ... + 30156900.

It is an arithmetic number, because the mean of its divisors is an integer number (6472155200).

Almost surely, 2^321144425325 is an apocalyptic number.

It is an amenable number.

321144425325 is a deficient number, since it is larger than the sum of its proper divisors (300182473875).

321144425325 is a wasteful number, since it uses less digits than its factorization.

321144425325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13040 (or 13029 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 321144425325 its reverse (523524441123), we get a palindrome (844668866448).

The spelling of 321144425325 in words is "three hundred twenty-one billion, one hundred forty-four million, four hundred twenty-five thousand, three hundred twenty-five".