1322431326142 has 8 divisors (see below), whose sum is σ = 1983823928856. Its totient is φ = 661156683192.

The previous prime is 1322431326127. The next prime is 1322431326179. The reversal of 1322431326142 is 2416231342231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1322431326142² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1322431326098 and 1322431326107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29461908 + ... + 29506759.

It is an arithmetic number, because the mean of its divisors is an integer number (247977991107).

Almost surely, 2^{1322431326142} is an apocalyptic number.

1322431326142 is a deficient number, since it is larger than the sum of its proper divisors (661392602714).

1322431326142 is a wasteful number, since it uses less digits than its factorization.

1322431326142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58979882.

The product of its digits is 41472, while the sum is 34.

Adding to 1322431326142 its reverse (2416231342231), we get a palindrome (3738662668373).

The spelling of 1322431326142 in words is "one trillion, three hundred twenty-two billion, four hundred thirty-one million, three hundred twenty-six thousand, one hundred forty-two".