1331304432442 has 8 divisors (see below), whose sum is σ = 1996962087456. Its totient is φ = 665650403292.

The previous prime is 1331304432433. The next prime is 1331304432527. The reversal of 1331304432442 is 2442344031331.

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

It is a junction number, because it is equal to n+sod(n) for n = 1331304432398 and 1331304432407.

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, 372193 + ... + 1673659.

It is an arithmetic number, because the mean of its divisors is an integer number (249620260932).

Almost surely, 2^{1331304432442} is an apocalyptic number.

1331304432442 is a deficient number, since it is larger than the sum of its proper divisors (665657655014).

1331304432442 is a wasteful number, since it uses less digits than its factorization.

1331304432442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812932.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 1331304432442 its reverse (2442344031331), we get a palindrome (3773648463773).

The spelling of 1331304432442 in words is "one trillion, three hundred thirty-one billion, three hundred four million, four hundred thirty-two thousand, four hundred forty-two".