1313331222311 has 16 divisors (see below), whose sum is σ = 1404050197536. Its totient is φ = 1224115977216.

The previous prime is 1313331222251. The next prime is 1313331222323. The reversal of 1313331222311 is 1132221333131.

It is a cyclic number.

It is not a de Polignac number, because 1313331222311 - 2²² = 1313327028007 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 (1313331222211) 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, 5405435 + ... + 5643171.

It is an arithmetic number, because the mean of its divisors is an integer number (87753137346).

Almost surely, 2^{1313331222311} is an apocalyptic number.

1313331222311 is a deficient number, since it is larger than the sum of its proper divisors (90718975225).

1313331222311 is a wasteful number, since it uses less digits than its factorization.

1313331222311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240898.

The product of its digits is 1944, while the sum is 26.

Adding to 1313331222311 its reverse (1132221333131), we get a palindrome (2445552555442).

The spelling of 1313331222311 in words is "one trillion, three hundred thirteen billion, three hundred thirty-one million, two hundred twenty-two thousand, three hundred eleven".