1310211331241 has 4 divisors (see below), whose sum is σ = 1310376415572. Its totient is φ = 1310046246912.

The previous prime is 1310211331229. The next prime is 1310211331249. The reversal of 1310211331241 is 1421331120131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1053158275225 + 257053056016 = 1026235^2 + 507004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310211331241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1310211331249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82530260 + ... + 82546133.

It is an arithmetic number, because the mean of its divisors is an integer number (327594103893).

Almost surely, 2^{1310211331241} is an apocalyptic number.

It is an amenable number.

1310211331241 is a deficient number, since it is larger than the sum of its proper divisors (165084331).

1310211331241 is an equidigital number, since it uses as much as digits as its factorization.

1310211331241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165084330.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1310211331241 its reverse (1421331120131), we get a palindrome (2731542451372).

The spelling of 1310211331241 in words is "one trillion, three hundred ten billion, two hundred eleven million, three hundred thirty-one thousand, two hundred forty-one".