1315443005 has 16 divisors (see below), whose sum is σ = 1586179584. Its totient is φ = 1047271680.

The previous prime is 1315442977. The next prime is 1315443007. The reversal of 1315443005 is 5003445131.

It is not a de Polignac number, because 1315443005 - 2¹² = 1315438909 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 (1315443007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443500 + ... + 1444410.

It is an arithmetic number, because the mean of its divisors is an integer number (99136224).

Almost surely, 2^1315443005 is an apocalyptic number.

It is an amenable number.

1315443005 is a deficient number, since it is larger than the sum of its proper divisors (270736579).

1315443005 is an equidigital number, since it uses as much as digits as its factorization.

1315443005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1315443005 is about 36269.0364498424. The cubic root of 1315443005 is about 1095.6975199006.

Adding to 1315443005 its reverse (5003445131), we get a palindrome (6318888136).

The spelling of 1315443005 in words is "one billion, three hundred fifteen million, four hundred forty-three thousand, five".