321103011013 has 4 divisors (see below), whose sum is σ = 323554179168. Its totient is φ = 318651842860.

The previous prime is 321103011011. The next prime is 321103011023. The reversal of 321103011013 is 310110301123.

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 not a de Polignac number, because 321103011013 - 2¹ = 321103011011 is a prime.

It is a super-2 number, since 2×321103011013² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321103011011) 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, 1225583881 + ... + 1225584142.

It is an arithmetic number, because the mean of its divisors is an integer number (80888544792).

Almost surely, 2^321103011013 is an apocalyptic number.

It is an amenable number.

321103011013 is a deficient number, since it is larger than the sum of its proper divisors (2451168155).

321103011013 is a wasteful number, since it uses less digits than its factorization.

321103011013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451168154.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 321103011013 its reverse (310110301123), we get a palindrome (631213312136).

The spelling of 321103011013 in words is "three hundred twenty-one billion, one hundred three million, eleven thousand, thirteen".