1331313031135 has 8 divisors (see below), whose sum is σ = 1627718574240. Its totient is φ = 1044955133664.

The previous prime is 1331313031133. The next prime is 1331313031193. The reversal of 1331313031135 is 5311303131331.

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 1331313031135 - 2¹ = 1331313031133 is a prime.

It is a super-2 number, since 2×1331313031135² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331313031133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2511911115 + ... + 2511911644.

It is an arithmetic number, because the mean of its divisors is an integer number (203464821780).

Almost surely, 2^{1331313031135} is an apocalyptic number.

1331313031135 is a deficient number, since it is larger than the sum of its proper divisors (296405543105).

1331313031135 is an equidigital number, since it uses as much as digits as its factorization.

1331313031135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023822817.

The product of its (nonzero) digits is 3645, while the sum is 28.

Adding to 1331313031135 its reverse (5311303131331), we get a palindrome (6642616162466).

The spelling of 1331313031135 in words is "one trillion, three hundred thirty-one billion, three hundred thirteen million, thirty-one thousand, one hundred thirty-five".