131113223 has 2 divisors, whose sum is σ = 131113224. Its totient is φ = 131113222.

The previous prime is 131113211. The next prime is 131113259. The reversal of 131113223 is 322311131.

It is a weak prime.

It is an emirp because it is prime and its reverse (322311131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131113223 - 2⁴ = 131113207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131113273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65556611 + 65556612.

It is an arithmetic number, because the mean of its divisors is an integer number (65556612).

Almost surely, 2^131113223 is an apocalyptic number.

131113223 is a deficient number, since it is larger than the sum of its proper divisors (1).

131113223 is an equidigital number, since it uses as much as digits as its factorization.

131113223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 17.

The square root of 131113223 is about 11450.4682437008. The cubic root of 131113223 is about 508.0215841677.

Adding to 131113223 its reverse (322311131), we get a palindrome (453424354).

The spelling of 131113223 in words is "one hundred thirty-one million, one hundred thirteen thousand, two hundred twenty-three".