223313112131 has 4 divisors (see below), whose sum is σ = 224811858000. Its totient is φ = 221814366264.

The previous prime is 223313112097. The next prime is 223313112161. The reversal of 223313112131 is 131211313322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131211313322 = 2 ⋅65605656661.

It is a cyclic number.

It is not a de Polignac number, because 223313112131 - 2²² = 223308917827 is a prime.

It is a super-2 number, since 2×223313112131² (a number of 23 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 = 223313112097 and 223313112106.

It is not an unprimeable number, because it can be changed into a prime (223313112161) 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, 749372711 + ... + 749373008.

It is an arithmetic number, because the mean of its divisors is an integer number (56202964500).

Almost surely, 2^223313112131 is an apocalyptic number.

223313112131 is a deficient number, since it is larger than the sum of its proper divisors (1498745869).

223313112131 is a wasteful number, since it uses less digits than its factorization.

223313112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498745868.

The product of its digits is 648, while the sum is 23.

Adding to 223313112131 its reverse (131211313322), we get a palindrome (354524425453).

The spelling of 223313112131 in words is "two hundred twenty-three billion, three hundred thirteen million, one hundred twelve thousand, one hundred thirty-one".