321120134344 has 8 divisors (see below), whose sum is σ = 602100251910. Its totient is φ = 160560067168.

The previous prime is 321120134299. The next prime is 321120134347. The reversal of 321120134344 is 443431021123.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 319055522500 + 2064611844 = 564850^2 + 45438^2 .

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

It is a super-2 number, since 2×321120134344² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321120134347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20070008389 + ... + 20070008404.

Almost surely, 2^321120134344 is an apocalyptic number.

It is an amenable number.

321120134344 is a deficient number, since it is larger than the sum of its proper divisors (280980117566).

321120134344 is a wasteful number, since it uses less digits than its factorization.

321120134344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40140016799 (or 40140016795 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 321120134344 its reverse (443431021123), we get a palindrome (764551155467).

The spelling of 321120134344 in words is "three hundred twenty-one billion, one hundred twenty million, one hundred thirty-four thousand, three hundred forty-four".