131103323 has 4 divisors (see below), whose sum is σ = 141188208. Its totient is φ = 121018440.

The previous prime is 131103311. The next prime is 131103361. The reversal of 131103323 is 323301131.

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-131103323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131103923) 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, 5042423 + ... + 5042448.

It is an arithmetic number, because the mean of its divisors is an integer number (35297052).

Almost surely, 2^131103323 is an apocalyptic number.

131103323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131103323 is a deficient number, since it is larger than the sum of its proper divisors (10084885).

131103323 is a wasteful number, since it uses less digits than its factorization.

131103323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084884.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 131103323 is about 11450.0359388082. The cubic root of 131103323 is about 508.0087974069.

Adding to 131103323 its reverse (323301131), we get a palindrome (454404454).

The spelling of 131103323 in words is "one hundred thirty-one million, one hundred three thousand, three hundred twenty-three".