320342513042 has 8 divisors (see below), whose sum is σ = 484922153100. Its totient is φ = 158701795344.

The previous prime is 320342513017. The next prime is 320342513059. The reversal of 320342513042 is 240315243023.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 286151174761 + 34191338281 = 534931^2 + 184909^2 .

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 = 320342512996 and 320342513014.

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, 734730317 + ... + 734730752.

Almost surely, 2^320342513042 is an apocalyptic number.

320342513042 is a deficient number, since it is larger than the sum of its proper divisors (164579640058).

320342513042 is a wasteful number, since it uses less digits than its factorization.

320342513042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469461180.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 320342513042 its reverse (240315243023), we get a palindrome (560657756065).

The spelling of 320342513042 in words is "three hundred twenty billion, three hundred forty-two million, five hundred thirteen thousand, forty-two".