1310212311211 has 4 divisors (see below), whose sum is σ = 1310337905112. Its totient is φ = 1310086717312.

The previous prime is 1310212311209. The next prime is 1310212311217. The reversal of 1310212311211 is 1121132120131.

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 1310212311211 - 2¹ = 1310212311209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310212311217) 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, 62781301 + ... + 62802166.

It is an arithmetic number, because the mean of its divisors is an integer number (327584476278).

Almost surely, 2^{1310212311211} is an apocalyptic number.

1310212311211 is a deficient number, since it is larger than the sum of its proper divisors (125593901).

1310212311211 is a wasteful number, since it uses less digits than its factorization.

1310212311211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125593900.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1310212311211 its reverse (1121132120131), we get a palindrome (2431344431342).

The spelling of 1310212311211 in words is "one trillion, three hundred ten billion, two hundred twelve million, three hundred eleven thousand, two hundred eleven".