131516223 has 8 divisors (see below), whose sum is σ = 175571328. Its totient is φ = 87569304.

The previous prime is 131516213. The next prime is 131516249. The reversal of 131516223 is 322615131.

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

It is not a de Polignac number, because 131516223 - 2⁹ = 131515711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131516193 and 131516202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131516213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24165 + ... + 29102.

It is an arithmetic number, because the mean of its divisors is an integer number (21946416).

Almost surely, 2^131516223 is an apocalyptic number.

131516223 is a deficient number, since it is larger than the sum of its proper divisors (44055105).

131516223 is an equidigital number, since it uses as much as digits as its factorization.

131516223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54093.

The product of its digits is 1080, while the sum is 24.

The square root of 131516223 is about 11468.0522757790. The cubic root of 131516223 is about 508.5415502711.

The spelling of 131516223 in words is "one hundred thirty-one million, five hundred sixteen thousand, two hundred twenty-three".