321012331103 has 8 divisors (see below), whose sum is σ = 322821006336. Its totient is φ = 319204989400.

The previous prime is 321012331099. The next prime is 321012331121. The reversal of 321012331103 is 301133210123.

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 321012331103 - 2² = 321012331099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321012331163) 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, 151400 + ... + 815442.

It is an arithmetic number, because the mean of its divisors is an integer number (40352625792).

Almost surely, 2^321012331103 is an apocalyptic number.

321012331103 is a deficient number, since it is larger than the sum of its proper divisors (1808675233).

321012331103 is a wasteful number, since it uses less digits than its factorization.

321012331103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666765.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 321012331103 its reverse (301133210123), we get a palindrome (622145541226).

The spelling of 321012331103 in words is "three hundred twenty-one billion, twelve million, three hundred thirty-one thousand, one hundred three".