321025042313 has 8 divisors (see below), whose sum is σ = 322210650720. Its totient is φ = 319839740640.

The previous prime is 321025042309. The next prime is 321025042333. The reversal of 321025042313 is 313240520123.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 321025042313 - 2² = 321025042309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321025042333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2138018 + ... + 2283236.

It is an arithmetic number, because the mean of its divisors is an integer number (40276331340).

Almost surely, 2^321025042313 is an apocalyptic number.

It is an amenable number.

321025042313 is a deficient number, since it is larger than the sum of its proper divisors (1185608407).

321025042313 is a wasteful number, since it uses less digits than its factorization.

321025042313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153367.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 321025042313 its reverse (313240520123), we get a palindrome (634265562436).

The spelling of 321025042313 in words is "three hundred twenty-one billion, twenty-five million, forty-two thousand, three hundred thirteen".