1315314444 has 48 divisors (see below), whose sum is σ = 3305751680. Its totient is φ = 405699840.

The previous prime is 1315314439. The next prime is 1315314449. The reversal of 1315314444 is 4444135131.

It is an interprime number because it is at equal distance from previous prime (1315314439) and next prime (1315314449).

It is not an unprimeable number, because it can be changed into a prime (1315314449) 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, 57277 + ... + 76884.

Almost surely, 2^1315314444 is an apocalyptic number.

It is an amenable number.

1315314444 is an abundant number, since it is smaller than the sum of its proper divisors (1990437236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1315314444 is a wasteful number, since it uses less digits than its factorization.

1315314444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134230 (or 134228 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 1315314444 is about 36267.2640820892. The cubic root of 1315314444 is about 1095.6618237998.

Adding to 1315314444 its reverse (4444135131), we get a palindrome (5759449575).

The spelling of 1315314444 in words is "one billion, three hundred fifteen million, three hundred fourteen thousand, four hundred forty-four".