103121430104403 has 12 divisors (see below), whose sum is σ = 154469961144408. Its totient is φ = 68747620069440.

The previous prime is 103121430104387. The next prime is 103121430104417. The reversal of 103121430104403 is 304401034121301.

103121430104403 is a `hidden beast` number, since 1 + 0 + 3 + 1 + 214 + 3 + 0 + 1 + 0 + 440 + 3 = 666.

It is not a de Polignac number, because 103121430104403 - 2⁴ = 103121430104387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (103121430104443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212184012318 + ... + 212184012803.

It is an arithmetic number, because the mean of its divisors is an integer number (12872496762034).

Almost surely, 2^{103121430104403} is an apocalyptic number.

103121430104403 is a deficient number, since it is larger than the sum of its proper divisors (51348531040005).

103121430104403 is an frugal number, since it uses more digits than its factorization.

103121430104403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424368025136 (or 424368025124 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 103121430104403 its reverse (304401034121301), we get a palindrome (407522464225704).

The spelling of 103121430104403 in words is "one hundred three trillion, one hundred twenty-one billion, four hundred thirty million, one hundred four thousand, four hundred three".