1312103110211 has 8 divisors (see below), whose sum is σ = 1356736410624. Its totient is φ = 1267614021960.

The previous prime is 1312103110187. The next prime is 1312103110247. The reversal of 1312103110211 is 1120113012131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312103110211 is a prime.

It is a super-2 number, since 2×1312103110211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312103110211.

It is not an unprimeable number, because it can be changed into a prime (1312103110511) 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, 36034535 + ... + 36070928.

It is an arithmetic number, because the mean of its divisors is an integer number (169592051328).

Almost surely, 2^{1312103110211} is an apocalyptic number.

1312103110211 is a deficient number, since it is larger than the sum of its proper divisors (44633300413).

1312103110211 is an equidigital number, since it uses as much as digits as its factorization.

1312103110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72106081.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1312103110211 its reverse (1120113012131), we get a palindrome (2432216122342).

The spelling of 1312103110211 in words is "one trillion, three hundred twelve billion, one hundred three million, one hundred ten thousand, two hundred eleven".