131283223 has 2 divisors, whose sum is σ = 131283224. Its totient is φ = 131283222.

The previous prime is 131283211. The next prime is 131283247. The reversal of 131283223 is 322382131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131283223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131283253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65641611 + 65641612.

It is an arithmetic number, because the mean of its divisors is an integer number (65641612).

Almost surely, 2^131283223 is an apocalyptic number.

131283223 is a deficient number, since it is larger than the sum of its proper divisors (1).

131283223 is an equidigital number, since it uses as much as digits as its factorization.

131283223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 131283223 is about 11457.8891162378. The cubic root of 131283223 is about 508.2410544549.

The spelling of 131283223 in words is "one hundred thirty-one million, two hundred eighty-three thousand, two hundred twenty-three".