321430275315256 has 16 divisors (see below), whose sum is σ = 602864010525240. Its totient is φ = 160666539175200.

The previous prime is 321430275315169. The next prime is 321430275315257. The reversal of 321430275315256 is 652513572034123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321430275315257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6074782195 + ... + 6074835106.

Almost surely, 2^{321430275315256} is an apocalyptic number.

It is an amenable number.

321430275315256 is a deficient number, since it is larger than the sum of its proper divisors (281433735209984).

321430275315256 is a wasteful number, since it uses less digits than its factorization.

321430275315256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12149620614 (or 12149620610 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 321430275315256 in words is "three hundred twenty-one trillion, four hundred thirty billion, two hundred seventy-five million, three hundred fifteen thousand, two hundred fifty-six".