1313312212111 has 8 divisors (see below), whose sum is σ = 1316176272720. Its totient is φ = 1310451272448.

The previous prime is 1313312212099. The next prime is 1313312212117. The reversal of 1313312212111 is 1112122133131.

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 1313312212111 - 2¹³ = 1313312203919 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 (1313312212117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63285 + ... + 1621921.

It is an arithmetic number, because the mean of its divisors is an integer number (164522034090).

Almost surely, 2^{1313312212111} is an apocalyptic number.

1313312212111 is a deficient number, since it is larger than the sum of its proper divisors (2864060609).

1313312212111 is an equidigital number, since it uses as much as digits as its factorization.

1313312212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560473.

The product of its digits is 216, while the sum is 22.

Adding to 1313312212111 its reverse (1112122133131), we get a palindrome (2425434345242).

The spelling of 1313312212111 in words is "one trillion, three hundred thirteen billion, three hundred twelve million, two hundred twelve thousand, one hundred eleven".