1315112344 has 96 divisors (see below), whose sum is σ = 3110274720. Its totient is φ = 507644928.

The previous prime is 1315112317. The next prime is 1315112389. The reversal of 1315112344 is 4432115131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1345584 + ... + 1346560.

It is an arithmetic number, because the mean of its divisors is an integer number (32398695).

Almost surely, 2^1315112344 is an apocalyptic number.

1315112344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315112344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555137360).

1315112344 is an abundant number, since it is smaller than the sum of its proper divisors (1795162376).

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

1315112344 is a wasteful number, since it uses less digits than its factorization.

1315112344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089 (or 1042 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 1315112344 is about 36264.4777158034. The cubic root of 1315112344 is about 1095.6057042416.

Adding to 1315112344 its reverse (4432115131), we get a palindrome (5747227475).

The spelling of 1315112344 in words is "one billion, three hundred fifteen million, one hundred twelve thousand, three hundred forty-four".