160731223 has 2 divisors, whose sum is σ = 160731224. Its totient is φ = 160731222.

The previous prime is 160731169. The next prime is 160731229. The reversal of 160731223 is 322137061.

It is a strong prime.

It is an emirp because it is prime and its reverse (322137061) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160731223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160731229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80365611 + 80365612.

It is an arithmetic number, because the mean of its divisors is an integer number (80365612).

Almost surely, 2^160731223 is an apocalyptic number.

160731223 is a deficient number, since it is larger than the sum of its proper divisors (1).

160731223 is an equidigital number, since it uses as much as digits as its factorization.

160731223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 160731223 is about 12677.9818188858. The cubic root of 160731223 is about 543.7092852238.

Adding to 160731223 its reverse (322137061), we get a palindrome (482868284).

The spelling of 160731223 in words is "one hundred sixty million, seven hundred thirty-one thousand, two hundred twenty-three".