321110011013 has 4 divisors (see below), whose sum is σ = 350301830208. Its totient is φ = 291918191820.

The previous prime is 321110010973. The next prime is 321110011031. The reversal of 321110011013 is 310110011123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321110011013 is a prime.

It is a super-2 number, since 2×321110011013² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321110011063) 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 3 ways as a sum of consecutive naturals, for example, 14595909581 + ... + 14595909602.

It is an arithmetic number, because the mean of its divisors is an integer number (87575457552).

Almost surely, 2^321110011013 is an apocalyptic number.

It is an amenable number.

321110011013 is a deficient number, since it is larger than the sum of its proper divisors (29191819195).

321110011013 is a wasteful number, since it uses less digits than its factorization.

321110011013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29191819194.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 321110011013 its reverse (310110011123), we get a palindrome (631220022136).

The spelling of 321110011013 in words is "three hundred twenty-one billion, one hundred ten million, eleven thousand, thirteen".