321214099839 has 4 divisors (see below), whose sum is σ = 428285466456. Its totient is φ = 214142733224.

The previous prime is 321214099837. The next prime is 321214099841. The reversal of 321214099839 is 938990412123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938990412123 = 3 ⋅312996804041.

It is an interprime number because it is at equal distance from previous prime (321214099837) and next prime (321214099841).

It is a cyclic number.

It is not a de Polignac number, because 321214099839 - 2¹ = 321214099837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321214099791 and 321214099800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321214099837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53535683304 + ... + 53535683309.

It is an arithmetic number, because the mean of its divisors is an integer number (107071366614).

Almost surely, 2^321214099839 is an apocalyptic number.

321214099839 is a deficient number, since it is larger than the sum of its proper divisors (107071366617).

321214099839 is a wasteful number, since it uses less digits than its factorization.

321214099839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107071366616.

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 321214099839 in words is "three hundred twenty-one billion, two hundred fourteen million, ninety-nine thousand, eight hundred thirty-nine".