103113011321 has 4 divisors (see below), whose sum is σ = 104076684432. Its totient is φ = 102149338212.

The previous prime is 103113011311. The next prime is 103113011327. The reversal of 103113011321 is 123110311301.

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 103113011321 - 2¹⁸ = 103112749177 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 103113011321.

It is not an unprimeable number, because it can be changed into a prime (103113011327) 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 3 ways as a sum of consecutive naturals, for example, 481836395 + ... + 481836608.

It is an arithmetic number, because the mean of its divisors is an integer number (26019171108).

Almost surely, 2^103113011321 is an apocalyptic number.

It is an amenable number.

103113011321 is a deficient number, since it is larger than the sum of its proper divisors (963673111).

103113011321 is an equidigital number, since it uses as much as digits as its factorization.

103113011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963673110.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 103113011321 its reverse (123110311301), we get a palindrome (226223322622).

The spelling of 103113011321 in words is "one hundred three billion, one hundred thirteen million, eleven thousand, three hundred twenty-one".