321021043113 has 8 divisors (see below), whose sum is σ = 433185022368. Its totient is φ = 211435546304.

The previous prime is 321021043093. The next prime is 321021043117. The reversal of 321021043113 is 311340120123.

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 321021043113 - 2¹⁶ = 321020977577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321021043113.

It is not an unprimeable number, because it can be changed into a prime (321021043117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644620320 + ... + 644620817.

It is an arithmetic number, because the mean of its divisors is an integer number (54148127796).

Almost surely, 2^321021043113 is an apocalyptic number.

It is an amenable number.

321021043113 is a deficient number, since it is larger than the sum of its proper divisors (112163979255).

321021043113 is a wasteful number, since it uses less digits than its factorization.

321021043113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289241223.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 321021043113 its reverse (311340120123), we get a palindrome (632361163236).

The spelling of 321021043113 in words is "three hundred twenty-one billion, twenty-one million, forty-three thousand, one hundred thirteen".