321130310323312 has 80 divisors (see below), whose sum is σ = 716687183306752. Its totient is φ = 136540945416960.

The previous prime is 321130310323267. The next prime is 321130310323351. The reversal of 321130310323312 is 213323013031123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847717498 + ... + 848096230.

Almost surely, 2^{321130310323312} is an apocalyptic number.

It is an amenable number.

321130310323312 is an abundant number, since it is smaller than the sum of its proper divisors (395556872983440).

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

321130310323312 is a wasteful number, since it uses less digits than its factorization.

321130310323312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438486 (or 438480 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 321130310323312 its reverse (213323013031123), we get a palindrome (534453323354435).

The spelling of 321130310323312 in words is "three hundred twenty-one trillion, one hundred thirty billion, three hundred ten million, three hundred twenty-three thousand, three hundred twelve".