103000031321 has 24 divisors (see below), whose sum is σ = 113846705280. Its totient is φ = 92416012800.

The previous prime is 103000031297. The next prime is 103000031327. The reversal of 103000031321 is 123130000301.

It is not a de Polignac number, because 103000031321 - 2¹⁰ = 103000030297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103000031296 and 103000031305.

It is not an unprimeable number, because it can be changed into a prime (103000031327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44606915 + ... + 44609223.

It is an arithmetic number, because the mean of its divisors is an integer number (4743612720).

Almost surely, 2^103000031321 is an apocalyptic number.

103000031321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103000031321 is a deficient number, since it is larger than the sum of its proper divisors (10846673959).

103000031321 is an equidigital number, since it uses as much as digits as its factorization.

103000031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945 (or 2848 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 103000031321 its reverse (123130000301), we get a palindrome (226130031622).

The spelling of 103000031321 in words is "one hundred three billion, thirty-one thousand, three hundred twenty-one".