1310220013211 has 4 divisors (see below), whose sum is σ = 1387291778712. Its totient is φ = 1233148247712.

The previous prime is 1310220013183. The next prime is 1310220013231. The reversal of 1310220013211 is 1123100220131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1310220013211 - 2¹⁰ = 1310220012187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 77071765483 = 1310220013211 / (1 + 3 + 1 + 0 + 2 + 2 + 0 + 0 + 1 + 3 + 2 + 1 + 1).

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 1310220013211.

It is not an unprimeable number, because it can be changed into a prime (1310220013231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38535882725 + ... + 38535882758.

It is an arithmetic number, because the mean of its divisors is an integer number (346822944678).

Almost surely, 2^{1310220013211} is an apocalyptic number.

1310220013211 is a deficient number, since it is larger than the sum of its proper divisors (77071765501).

1310220013211 is an equidigital number, since it uses as much as digits as its factorization.

1310220013211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77071765500.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1310220013211 its reverse (1123100220131), we get a palindrome (2433320233342).

The spelling of 1310220013211 in words is "one trillion, three hundred ten billion, two hundred twenty million, thirteen thousand, two hundred eleven".