1331312131333 has 8 divisors (see below), whose sum is σ = 1337109149376. Its totient is φ = 1325524833600.

The previous prime is 1331312131307. The next prime is 1331312131337. The reversal of 1331312131333 is 3331312131331.

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 1331312131333 - 2¹⁷ = 1331312000261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331312131337) 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, 2155491 + ... + 2703472.

It is an arithmetic number, because the mean of its divisors is an integer number (167138643672).

Almost surely, 2^{1331312131333} is an apocalyptic number.

It is an amenable number.

1331312131333 is a deficient number, since it is larger than the sum of its proper divisors (5797018043).

1331312131333 is an equidigital number, since it uses as much as digits as its factorization.

1331312131333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860155.

The product of its digits is 4374, while the sum is 28.

Adding to 1331312131333 its reverse (3331312131331), we get a palindrome (4662624262664).

The spelling of 1331312131333 in words is "one trillion, three hundred thirty-one billion, three hundred twelve million, one hundred thirty-one thousand, three hundred thirty-three".