331344300142442 has 8 divisors (see below), whose sum is σ = 497120146545636. Its totient is φ = 165637584627232.

The previous prime is 331344300142403. The next prime is 331344300142489. The reversal of 331344300142442 is 244241003443133.

It can be written as a sum of positive squares in 2 ways, for example, as 251144555746681 + 80199744395761 = 15847541^2 + 8955431^2 .

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 = 331344300142396 and 331344300142405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17282710013 + ... + 17282729184.

Almost surely, 2^{331344300142442} is an apocalyptic number.

331344300142442 is a deficient number, since it is larger than the sum of its proper divisors (165775846403194).

331344300142442 is a wasteful number, since it uses less digits than its factorization.

331344300142442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34565443992.

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 331344300142442 its reverse (244241003443133), we get a palindrome (575585303585575).

The spelling of 331344300142442 in words is "three hundred thirty-one trillion, three hundred forty-four billion, three hundred million, one hundred forty-two thousand, four hundred forty-two".