1315803948 has 12 divisors (see below), whose sum is σ = 3070209240. Its totient is φ = 438601312.

The previous prime is 1315803943. The next prime is 1315803949. The reversal of 1315803948 is 8493085131.

1315803948 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1315803943) 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, 54825153 + ... + 54825176.

It is an arithmetic number, because the mean of its divisors is an integer number (255850770).

Almost surely, 2^1315803948 is an apocalyptic number.

It is an amenable number.

1315803948 is an abundant number, since it is smaller than the sum of its proper divisors (1754405292).

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

1315803948 is a wasteful number, since it uses less digits than its factorization.

1315803948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109650336 (or 109650334 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1315803948 is about 36274.0120196264. The cubic root of 1315803948 is about 1095.7977264930.

The spelling of 1315803948 in words is "one billion, three hundred fifteen million, eight hundred three thousand, nine hundred forty-eight".