321214144231442 has 128 divisors (see below), whose sum is σ = 616450305392640. Its totient is φ = 121895907840000.

The previous prime is 321214144231433. The next prime is 321214144231471. The reversal of 321214144231442 is 244132441412123.

It is a super-2 number, since 2×321214144231442² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321214144231396 and 321214144231405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2769483092 + ... + 2769599072.

It is an arithmetic number, because the mean of its divisors is an integer number (4816018010880).

Almost surely, 2^{321214144231442} is an apocalyptic number.

321214144231442 is a deficient number, since it is larger than the sum of its proper divisors (295236161161198).

321214144231442 is a wasteful number, since it uses less digits than its factorization.

321214144231442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117888.

The product of its digits is 147456, while the sum is 38.

Adding to 321214144231442 its reverse (244132441412123), we get a palindrome (565346585643565).

The spelling of 321214144231442 in words is "three hundred twenty-one trillion, two hundred fourteen billion, one hundred forty-four million, two hundred thirty-one thousand, four hundred forty-two".