131013223 has 8 divisors (see below), whose sum is σ = 147534336. Its totient is φ = 115260600.

The previous prime is 131013149. The next prime is 131013229. The reversal of 131013223 is 322310131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131013223 - 2¹³ = 131005031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131013197 and 131013206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131013229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191761 + ... + 192442.

It is an arithmetic number, because the mean of its divisors is an integer number (18441792).

Almost surely, 2^131013223 is an apocalyptic number.

131013223 is a deficient number, since it is larger than the sum of its proper divisors (16521113).

131013223 is a wasteful number, since it uses less digits than its factorization.

131013223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384245.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131013223 is about 11446.1007771206. The cubic root of 131013223 is about 507.8923953686.

Adding to 131013223 its reverse (322310131), we get a palindrome (453323354).

The spelling of 131013223 in words is "one hundred thirty-one million, thirteen thousand, two hundred twenty-three".