1313122222113 has 12 divisors (see below), whose sum is σ = 1895868771120. Its totient is φ = 808075213296.

The previous prime is 1313122222073. The next prime is 1313122222133. The reversal of 1313122222113 is 3112222213131.

It is not a de Polignac number, because 1313122222113 - 2²⁰ = 1313121173537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313122222133) 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, 1294991823 + ... + 1294992836.

It is an arithmetic number, because the mean of its divisors is an integer number (157989064260).

Almost surely, 2^{1313122222113} is an apocalyptic number.

1313122222113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1313122222113 is a deficient number, since it is larger than the sum of its proper divisors (582746549007).

1313122222113 is a wasteful number, since it uses less digits than its factorization.

1313122222113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589984688 (or 2589984675 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

Adding to 1313122222113 its reverse (3112222213131), we get a palindrome (4425344435244).

The spelling of 1313122222113 in words is "one trillion, three hundred thirteen billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred thirteen".