321131044323354 has 32 divisors (see below), whose sum is σ = 642408086315520. Its totient is φ = 107019349416000.

The previous prime is 321131044323317. The next prime is 321131044323451. The reversal of 321131044323354 is 453323440131123.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2107234992 + ... + 2107387380.

It is an arithmetic number, because the mean of its divisors is an integer number (20075252697360).

Almost surely, 2^{321131044323354} is an apocalyptic number.

321131044323354 is an abundant number, since it is smaller than the sum of its proper divisors (321277041992166).

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

321131044323354 is a wasteful number, since it uses less digits than its factorization.

321131044323354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229926.

The product of its (nonzero) digits is 311040, while the sum is 39.

Adding to 321131044323354 its reverse (453323440131123), we get a palindrome (774454484454477).

The spelling of 321131044323354 in words is "three hundred twenty-one trillion, one hundred thirty-one billion, forty-four million, three hundred twenty-three thousand, three hundred fifty-four".