404213123131103 has 32 divisors (see below), whose sum is σ = 499879930368000. Its totient is φ = 321343018819200.

The previous prime is 404213123131063. The next prime is 404213123131121. The reversal of 404213123131103 is 301131321312404.

It is a cyclic number.

It is not a de Polignac number, because 404213123131103 - 2¹⁰ = 404213123130079 is a prime.

It is a super-2 number, since 2×404213123131103² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404213123131133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216836738 + ... + 218692928.

It is an arithmetic number, because the mean of its divisors is an integer number (15621247824000).

Almost surely, 2^{404213123131103} is an apocalyptic number.

404213123131103 is a deficient number, since it is larger than the sum of its proper divisors (95666807236897).

404213123131103 is a wasteful number, since it uses less digits than its factorization.

404213123131103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936383.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 404213123131103 its reverse (301131321312404), we get a palindrome (705344444443507).

The spelling of 404213123131103 in words is "four hundred four trillion, two hundred thirteen billion, one hundred twenty-three million, one hundred thirty-one thousand, one hundred three".