1316542223 has 4 divisors (see below), whose sum is σ = 1347159528. Its totient is φ = 1285924920.

The previous prime is 1316542219. The next prime is 1316542277. The reversal of 1316542223 is 3222456131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1316542223 - 2² = 1316542219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316542723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15308588 + ... + 15308673.

It is an arithmetic number, because the mean of its divisors is an integer number (336789882).

Almost surely, 2^1316542223 is an apocalyptic number.

1316542223 is a deficient number, since it is larger than the sum of its proper divisors (30617305).

1316542223 is an equidigital number, since it uses as much as digits as its factorization.

1316542223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30617304.

The product of its digits is 8640, while the sum is 29.

The square root of 1316542223 is about 36284.1869552013. The cubic root of 1316542223 is about 1096.0026326037.

Adding to 1316542223 its reverse (3222456131), we get a palindrome (4538998354).

The spelling of 1316542223 in words is "one billion, three hundred sixteen million, five hundred forty-two thousand, two hundred twenty-three".