321341656342 has 32 divisors (see below), whose sum is σ = 568757274624. Its totient is φ = 133248196800.

The previous prime is 321341656297. The next prime is 321341656387. The reversal of 321341656342 is 243656143123.

It is an interprime number because it is at equal distance from previous prime (321341656297) and next prime (321341656387).

It is a junction number, because it is equal to n+sod(n) for n = 321341656295 and 321341656304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2132293 + ... + 2278015.

It is an arithmetic number, because the mean of its divisors is an integer number (17773664832).

Almost surely, 2^321341656342 is an apocalyptic number.

321341656342 is a deficient number, since it is larger than the sum of its proper divisors (247415618282).

321341656342 is a wasteful number, since it uses less digits than its factorization.

321341656342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150844.

The product of its digits is 311040, while the sum is 40.

Adding to 321341656342 its reverse (243656143123), we get a palindrome (564997799465).

The spelling of 321341656342 in words is "three hundred twenty-one billion, three hundred forty-one million, six hundred fifty-six thousand, three hundred forty-two".