131024223 has 40 divisors (see below), whose sum is σ = 214663680. Its totient is φ = 78984720.

The previous prime is 131024221. The next prime is 131024227. The reversal of 131024223 is 322420131.

It is not a de Polignac number, because 131024223 - 2¹ = 131024221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131024196 and 131024205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131024221) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 273298 + ... + 273776.

It is an arithmetic number, because the mean of its divisors is an integer number (5366592).

Almost surely, 2^131024223 is an apocalyptic number.

131024223 is a deficient number, since it is larger than the sum of its proper divisors (83639457).

131024223 is a wasteful number, since it uses less digits than its factorization.

131024223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 131024223 is about 11446.5812800154. The cubic root of 131024223 is about 507.9066093537.

Adding to 131024223 its reverse (322420131), we get a palindrome (453444354).

The spelling of 131024223 in words is "one hundred thirty-one million, twenty-four thousand, two hundred twenty-three".