10131312111223 has 4 divisors (see below), whose sum is σ = 10142864349400. Its totient is φ = 10119759873048.

The previous prime is 10131312111197. The next prime is 10131312111257. The reversal of 10131312111223 is 32211121313101.

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-10131312111223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10131312111194 and 10131312111203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131312111293) 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 3 ways as a sum of consecutive naturals, for example, 5776117773 + ... + 5776119526.

It is an arithmetic number, because the mean of its divisors is an integer number (2535716087350).

Almost surely, 2^{10131312111223} is an apocalyptic number.

10131312111223 is a deficient number, since it is larger than the sum of its proper divisors (11552238177).

10131312111223 is an equidigital number, since it uses as much as digits as its factorization.

10131312111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11552238176.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 10131312111223 its reverse (32211121313101), we get a palindrome (42342433424324).

The spelling of 10131312111223 in words is "ten trillion, one hundred thirty-one billion, three hundred twelve million, one hundred eleven thousand, two hundred twenty-three".