131103023 has 4 divisors (see below), whose sum is σ = 131161368. Its totient is φ = 131044680.

The previous prime is 131103017. The next prime is 131103029. The reversal of 131103023 is 320301131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320301131 = 17 ⋅18841243.

It is an interprime number because it is at equal distance from previous prime (131103017) and next prime (131103029).

It is a cyclic number.

It is not a de Polignac number, because 131103023 - 2¹² = 131098927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131102989 and 131103007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131103029) 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, 25661 + ... + 30342.

It is an arithmetic number, because the mean of its divisors is an integer number (32790342).

Almost surely, 2^131103023 is an apocalyptic number.

131103023 is a deficient number, since it is larger than the sum of its proper divisors (58345).

131103023 is an equidigital number, since it uses as much as digits as its factorization.

131103023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58344.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 131103023 is about 11450.0228384052. The cubic root of 131103023 is about 508.0084099193.

Adding to 131103023 its reverse (320301131), we get a palindrome (451404154).

The spelling of 131103023 in words is "one hundred thirty-one million, one hundred three thousand, twenty-three".