131103231223 has 4 divisors (see below), whose sum is σ = 131230393488. Its totient is φ = 130976068960.

The previous prime is 131103231167. The next prime is 131103231227. The reversal of 131103231223 is 322132301131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322132301131 = 67 ⋅4807944793.

It is a cyclic number.

It is not a de Polignac number, because 131103231223 - 2²⁹ = 130566360311 is a prime.

It is a super-2 number, since 2×131103231223² (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 = 131103231194 and 131103231203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131103231227) 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, 63579586 + ... + 63581647.

It is an arithmetic number, because the mean of its divisors is an integer number (32807598372).

Almost surely, 2^131103231223 is an apocalyptic number.

131103231223 is a deficient number, since it is larger than the sum of its proper divisors (127162265).

131103231223 is a wasteful number, since it uses less digits than its factorization.

131103231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127162264.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131103231223 its reverse (322132301131), we get a palindrome (453235532354).

The spelling of 131103231223 in words is "one hundred thirty-one billion, one hundred three million, two hundred thirty-one thousand, two hundred twenty-three".