10404403221431 has 4 divisors (see below), whose sum is σ = 10952003391000. Its totient is φ = 9856803051864.

The previous prime is 10404403221409. The next prime is 10404403221449. The reversal of 10404403221431 is 13412230440401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10404403221431 is a prime.

It is a super-2 number, since 2×10404403221431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10404403221394 and 10404403221403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10404403221931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273800084756 + ... + 273800084793.

It is an arithmetic number, because the mean of its divisors is an integer number (2738000847750).

Almost surely, 2^{10404403221431} is an apocalyptic number.

10404403221431 is a deficient number, since it is larger than the sum of its proper divisors (547600169569).

10404403221431 is an equidigital number, since it uses as much as digits as its factorization.

10404403221431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547600169568.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 10404403221431 its reverse (13412230440401), we get a palindrome (23816633661832).

The spelling of 10404403221431 in words is "ten trillion, four hundred four billion, four hundred three million, two hundred twenty-one thousand, four hundred thirty-one".