103312123020321 has 16 divisors (see below), whose sum is σ = 139067658592704. Its totient is φ = 68215953089984.

The previous prime is 103312123020319. The next prime is 103312123020499. The reversal of 103312123020321 is 123020321213301.

It is a cyclic number.

It is not a de Polignac number, because 103312123020321 - 2¹ = 103312123020319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103312123020291 and 103312123020300.

It is not an unprimeable number, because it can be changed into a prime (103312123020311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34175970 + ... + 37075883.

It is an arithmetic number, because the mean of its divisors is an integer number (8691728662044).

Almost surely, 2^{103312123020321} is an apocalyptic number.

It is an amenable number.

103312123020321 is a deficient number, since it is larger than the sum of its proper divisors (35755535572383).

103312123020321 is a wasteful number, since it uses less digits than its factorization.

103312123020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71256480.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 103312123020321 its reverse (123020321213301), we get a palindrome (226332444233622).

The spelling of 103312123020321 in words is "one hundred three trillion, three hundred twelve billion, one hundred twenty-three million, twenty thousand, three hundred twenty-one".