1315161424 has 20 divisors (see below), whose sum is σ = 2549679444. Its totient is φ = 657179648.

The previous prime is 1315161401. The next prime is 1315161431. The reversal of 1315161424 is 4241615131.

It can be written as a sum of positive squares in 2 ways, for example, as 969201424 + 345960000 = 31132^2 + 18600^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1315161392 and 1315161401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2934 + ... + 51370.

Almost surely, 2^1315161424 is an apocalyptic number.

It is an amenable number.

1315161424 is a deficient number, since it is larger than the sum of its proper divisors (1234518020).

1315161424 is a wasteful number, since it uses less digits than its factorization.

1315161424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50142 (or 50136 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 1315161424 is about 36265.1544047451. The cubic root of 1315161424 is about 1095.6193334090.

Adding to 1315161424 its reverse (4241615131), we get a palindrome (5556776555).

The spelling of 1315161424 in words is "one billion, three hundred fifteen million, one hundred sixty-one thousand, four hundred twenty-four".