1331504313 has 16 divisors (see below), whose sum is σ = 1814292480. Its totient is φ = 868217616.

The previous prime is 1331504309. The next prime is 1331504327. The reversal of 1331504313 is 3134051331.

It is not a de Polignac number, because 1331504313 - 2² = 1331504309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331504303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430908 + ... + 433986.

It is an arithmetic number, because the mean of its divisors is an integer number (113393280).

Almost surely, 2^1331504313 is an apocalyptic number.

It is an amenable number.

1331504313 is a deficient number, since it is larger than the sum of its proper divisors (482788167).

1331504313 is a wasteful number, since it uses less digits than its factorization.

1331504313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6196.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 1331504313 is about 36489.7836798192. The cubic root of 1331504313 is about 1100.1389116581.

Adding to 1331504313 its reverse (3134051331), we get a palindrome (4465555644).

The spelling of 1331504313 in words is "one billion, three hundred thirty-one million, five hundred four thousand, three hundred thirteen".