1310020131211 has 4 divisors (see below), whose sum is σ = 1429112870424. Its totient is φ = 1190927392000.

The previous prime is 1310020131149. The next prime is 1310020131227. The reversal of 1310020131211 is 1121310200131.

It is a happy number.

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 1310020131211 - 2⁷ = 1310020131083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310020131811) 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 3 ways as a sum of consecutive naturals, for example, 59546369590 + ... + 59546369611.

It is an arithmetic number, because the mean of its divisors is an integer number (357278217606).

Almost surely, 2^{1310020131211} is an apocalyptic number.

1310020131211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1310020131211 is a deficient number, since it is larger than the sum of its proper divisors (119092739213).

1310020131211 is a wasteful number, since it uses less digits than its factorization.

1310020131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119092739212.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1310020131211 its reverse (1121310200131), we get a palindrome (2431330331342).

The spelling of 1310020131211 in words is "one trillion, three hundred ten billion, twenty million, one hundred thirty-one thousand, two hundred eleven".