1315332351 has 40 divisors (see below), whose sum is σ = 2038054304. Its totient is φ = 844706880.

The previous prime is 1315332331. The next prime is 1315332353. The reversal of 1315332351 is 1532335131.

It is not a de Polignac number, because 1315332351 - 2⁷ = 1315332223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315332353) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 306561 + ... + 310821.

Almost surely, 2^1315332351 is an apocalyptic number.

1315332351 is a deficient number, since it is larger than the sum of its proper divisors (722721953).

1315332351 is a wasteful number, since it uses less digits than its factorization.

1315332351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4413 (or 4404 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 1315332351 is about 36267.5109567778. The cubic root of 1315332351 is about 1095.6667959765. Note that the first 3 decimals are identical.

Adding to 1315332351 its reverse (1532335131), we get a palindrome (2847667482).

The spelling of 1315332351 in words is "one billion, three hundred fifteen million, three hundred thirty-two thousand, three hundred fifty-one".