1331323110313 has 16 divisors (see below), whose sum is σ = 1556769352320. Its totient is φ = 1114983363456.

The previous prime is 1331323110287. The next prime is 1331323110323. The reversal of 1331323110313 is 3130113231331.

It is a cyclic number.

It is not a de Polignac number, because 1331323110313 - 2¹⁷ = 1331322979241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331323110323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12119758 + ... + 12229111.

It is an arithmetic number, because the mean of its divisors is an integer number (97298084520).

Almost surely, 2^{1331323110313} is an apocalyptic number.

It is an amenable number.

1331323110313 is a deficient number, since it is larger than the sum of its proper divisors (225446242007).

1331323110313 is a wasteful number, since it uses less digits than its factorization.

1331323110313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24349056.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 1331323110313 its reverse (3130113231331), we get a palindrome (4461436341644).

The spelling of 1331323110313 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-three million, one hundred ten thousand, three hundred thirteen".