1313442215 has 8 divisors (see below), whose sum is σ = 1595120688. Its totient is φ = 1038093760.

The previous prime is 1313442211. The next prime is 1313442239. The reversal of 1313442215 is 5122443131.

It is a happy number.

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

It is not a de Polignac number, because 1313442215 - 2² = 1313442211 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 (1313442211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582046 + ... + 1582875.

It is an arithmetic number, because the mean of its divisors is an integer number (199390086).

Almost surely, 2^1313442215 is an apocalyptic number.

1313442215 is a deficient number, since it is larger than the sum of its proper divisors (281678473).

1313442215 is an equidigital number, since it uses as much as digits as its factorization.

1313442215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165009.

The product of its digits is 2880, while the sum is 26.

The square root of 1313442215 is about 36241.4433349446. The cubic root of 1313442215 is about 1095.1417190412.

Adding to 1313442215 its reverse (5122443131), we get a palindrome (6435885346).

The spelling of 1313442215 in words is "one billion, three hundred thirteen million, four hundred forty-two thousand, two hundred fifteen".