321144312134 has 4 divisors (see below), whose sum is σ = 481716468204. Its totient is φ = 160572156066.

The previous prime is 321144312067. The next prime is 321144312149. The reversal of 321144312134 is 431213441123.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 321144312097 and 321144312106.

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, 80286078032 + ... + 80286078035.

It is an arithmetic number, because the mean of its divisors is an integer number (120429117051).

Almost surely, 2^321144312134 is an apocalyptic number.

321144312134 is a deficient number, since it is larger than the sum of its proper divisors (160572156070).

321144312134 is a wasteful number, since it uses less digits than its factorization.

321144312134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160572156069.

The product of its digits is 6912, while the sum is 29.

Adding to 321144312134 its reverse (431213441123), we get a palindrome (752357753257).

The spelling of 321144312134 in words is "three hundred twenty-one billion, one hundred forty-four million, three hundred twelve thousand, one hundred thirty-four".