1331113013 has 8 divisors (see below), whose sum is σ = 1335256800. Its totient is φ = 1326976560.

The previous prime is 1331112947. The next prime is 1331113019. The reversal of 1331113013 is 3103111331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331113013 - 2¹⁰ = 1331111989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331112982 and 1331113000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331113019) 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 7 ways as a sum of consecutive naturals, for example, 846518 + ... + 848088.

It is an arithmetic number, because the mean of its divisors is an integer number (166907100).

Almost surely, 2^1331113013 is an apocalyptic number.

It is an amenable number.

1331113013 is a deficient number, since it is larger than the sum of its proper divisors (4143787).

1331113013 is a wasteful number, since it uses less digits than its factorization.

1331113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1331113013 is about 36484.4215111053. The cubic root of 1331113013 is about 1100.0311321767.

Adding to 1331113013 its reverse (3103111331), we get a palindrome (4434224344).

The spelling of 1331113013 in words is "one billion, three hundred thirty-one million, one hundred thirteen thousand, thirteen".