1331302113 has 12 divisors (see below), whose sum is σ = 2036109348. Its totient is φ = 835326720.

The previous prime is 1331302111. The next prime is 1331302117. The reversal of 1331302113 is 3112031331.

It is a happy number.

1331302113 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1181778129 + 149523984 = 34377^2 + 12228^2 .

It is not a de Polignac number, because 1331302113 - 2¹ = 1331302111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331302111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4350508 + ... + 4350813.

It is an arithmetic number, because the mean of its divisors is an integer number (169675779).

Almost surely, 2^1331302113 is an apocalyptic number.

It is an amenable number.

1331302113 is a deficient number, since it is larger than the sum of its proper divisors (704807235).

1331302113 is a wasteful number, since it uses less digits than its factorization.

1331302113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8701344 (or 8701341 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1331302113 is about 36487.0129361119. The cubic root of 1331302113 is about 1100.0832204256.

Adding to 1331302113 its reverse (3112031331), we get a palindrome (4443333444).

The spelling of 1331302113 in words is "one billion, three hundred thirty-one million, three hundred two thousand, one hundred thirteen".