321011013 has 8 divisors (see below), whose sum is σ = 428133376. Its totient is φ = 213948000.

The previous prime is 321011011. The next prime is 321011029. The reversal of 321011013 is 310110123.

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

It is not a de Polignac number, because 321011013 - 2¹ = 321011011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321011013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321011011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133 + ... + 25338.

It is an arithmetic number, because the mean of its divisors is an integer number (53516672).

Almost surely, 2^321011013 is an apocalyptic number.

It is an amenable number.

321011013 is a deficient number, since it is larger than the sum of its proper divisors (107122363).

321011013 is a wasteful number, since it uses less digits than its factorization.

321011013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29675.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 321011013 is about 17916.7802073922. The cubic root of 321011013 is about 684.7099580151.

Adding to 321011013 its reverse (310110123), we get a palindrome (631121136).

It can be divided in two parts, 3210110 and 13, that added together give a palindrome (3210123).

The spelling of 321011013 in words is "three hundred twenty-one million, eleven thousand, thirteen".