325311307353221 has 128 divisors (see below), whose sum is σ = 391857274368000. Its totient is φ = 264293922816000.

The previous prime is 325311307353199. The next prime is 325311307353259. The reversal of 325311307353221 is 122353703113523.

It is not a de Polignac number, because 325311307353221 - 2²² = 325311303158917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325311307353281) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 724524069605 + ... + 724524070053.

It is an arithmetic number, because the mean of its divisors is an integer number (3061384956000).

Almost surely, 2^{325311307353221} is an apocalyptic number.

It is an amenable number.

325311307353221 is a deficient number, since it is larger than the sum of its proper divisors (66545967014779).

325311307353221 is a wasteful number, since it uses less digits than its factorization.

325311307353221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627.

The product of its (nonzero) digits is 340200, while the sum is 41.

The spelling of 325311307353221 in words is "three hundred twenty-five trillion, three hundred eleven billion, three hundred seven million, three hundred fifty-three thousand, two hundred twenty-one".