321134154424 has 8 divisors (see below), whose sum is σ = 602126539560. Its totient is φ = 160567077208.

The previous prime is 321134154379. The next prime is 321134154461. The reversal of 321134154424 is 424451431123.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 321134154424.

It is a congruent 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 as a sum of consecutive naturals, namely, 20070884644 + ... + 20070884659.

It is an arithmetic number, because the mean of its divisors is an integer number (75265817445).

Almost surely, 2^321134154424 is an apocalyptic number.

It is an amenable number.

321134154424 is a deficient number, since it is larger than the sum of its proper divisors (280992385136).

321134154424 is a wasteful number, since it uses less digits than its factorization.

321134154424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40141769309 (or 40141769305 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

Adding to 321134154424 its reverse (424451431123), we get a palindrome (745585585547).

The spelling of 321134154424 in words is "three hundred twenty-one billion, one hundred thirty-four million, one hundred fifty-four thousand, four hundred twenty-four".