1315261332 has 108 divisors (see below), whose sum is σ = 4219147296. Its totient is φ = 341621280.

The previous prime is 1315261327. The next prime is 1315261349. The reversal of 1315261332 is 2331625131.

1315261332 is a `hidden beast` number, since 1 + 3 + 1 + 526 + 133 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1315261296 and 1315261305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14488 + ... + 53295.

Almost surely, 2^1315261332 is an apocalyptic number.

1315261332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1315261332 is an abundant number, since it is smaller than the sum of its proper divisors (2903885964).

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

1315261332 is a wasteful number, since it uses less digits than its factorization.

1315261332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67818 (or 67806 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 1315261332 is about 36266.5318441121. The cubic root of 1315261332 is about 1095.6470761035.

Adding to 1315261332 its reverse (2331625131), we get a palindrome (3646886463).

The spelling of 1315261332 in words is "one billion, three hundred fifteen million, two hundred sixty-one thousand, three hundred thirty-two".