1313210031211 has 4 divisors (see below), whose sum is σ = 1414226187472. Its totient is φ = 1212193874952.

The previous prime is 1313210031193. The next prime is 1313210031223. The reversal of 1313210031211 is 1121300123131.

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 1313210031211 - 2¹⁹ = 1313209506923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313210031271) 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, 50508078111 + ... + 50508078136.

It is an arithmetic number, because the mean of its divisors is an integer number (353556546868).

Almost surely, 2^{1313210031211} is an apocalyptic number.

1313210031211 is a deficient number, since it is larger than the sum of its proper divisors (101016156261).

1313210031211 is a wasteful number, since it uses less digits than its factorization.

1313210031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101016156260.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1313210031211 its reverse (1121300123131), we get a palindrome (2434510154342).

The spelling of 1313210031211 in words is "one trillion, three hundred thirteen billion, two hundred ten million, thirty-one thousand, two hundred eleven".