321313242542 has 16 divisors (see below), whose sum is σ = 482419128672. Its totient is φ = 160506931200.

The previous prime is 321313242521. The next prime is 321313242553. The reversal of 321313242542 is 245242313123.

It is a junction number, because it is equal to n+sod(n) for n = 321313242499 and 321313242508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11824223 + ... + 11851365.

It is an arithmetic number, because the mean of its divisors is an integer number (30151195542).

Almost surely, 2^321313242542 is an apocalyptic number.

321313242542 is a deficient number, since it is larger than the sum of its proper divisors (161105886130).

321313242542 is a wasteful number, since it uses less digits than its factorization.

321313242542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32443.

The product of its digits is 34560, while the sum is 32.

Adding to 321313242542 its reverse (245242313123), we get a palindrome (566555555665).

The spelling of 321313242542 in words is "three hundred twenty-one billion, three hundred thirteen million, two hundred forty-two thousand, five hundred forty-two".