1331313532 has 12 divisors (see below), whose sum is σ = 2367992536. Its totient is φ = 654744240.

The previous prime is 1331313521. The next prime is 1331313547. The reversal of 1331313532 is 2353131331.

It is a junction number, because it is equal to n+sod(n) for n = 1331313497 and 1331313506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2727858 + ... + 2728345.

Almost surely, 2^1331313532 is an apocalyptic number.

It is an amenable number.

1331313532 is a deficient number, since it is larger than the sum of its proper divisors (1036679004).

1331313532 is a wasteful number, since it uses less digits than its factorization.

1331313532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456268 (or 5456266 counting only the distinct ones).

The product of its digits is 2430, while the sum is 25.

The square root of 1331313532 is about 36487.1694161112. The cubic root of 1331313532 is about 1100.0863656707.

Adding to 1331313532 its reverse (2353131331), we get a palindrome (3684444863).

The spelling of 1331313532 in words is "one billion, three hundred thirty-one million, three hundred thirteen thousand, five hundred thirty-two".