22131343410403 has 4 divisors (see below), whose sum is σ = 22131360226080. Its totient is φ = 22131326594728.

The previous prime is 22131343410331. The next prime is 22131343410467. The reversal of 22131343410403 is 30401434313122.

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-22131343410403 is a prime.

It is a super-2 number, since 2×22131343410403² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22131343710403) 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, 6248875 + ... + 9127492.

It is an arithmetic number, because the mean of its divisors is an integer number (5532840056520).

Almost surely, 2^{22131343410403} is an apocalyptic number.

22131343410403 is a deficient number, since it is larger than the sum of its proper divisors (16815677).

22131343410403 is a wasteful number, since it uses less digits than its factorization.

22131343410403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16815676.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 22131343410403 its reverse (30401434313122), we get a palindrome (52532777723525).

The spelling of 22131343410403 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred forty-three million, four hundred ten thousand, four hundred three".