1211040313313 has 16 divisors (see below), whose sum is σ = 1283973120000. Its totient is φ = 1138296846336.

The previous prime is 1211040313289. The next prime is 1211040313337. The reversal of 1211040313313 is 3133130401121.

It is an interprime number because it is at equal distance from previous prime (1211040313289) and next prime (1211040313337).

It is a cyclic number.

It is not a de Polignac number, because 1211040313313 - 2¹⁶ = 1211040247777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211040313363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43789856 + ... + 43817502.

It is an arithmetic number, because the mean of its divisors is an integer number (80248320000).

Almost surely, 2^{1211040313313} is an apocalyptic number.

It is an amenable number.

1211040313313 is a deficient number, since it is larger than the sum of its proper divisors (72932806687).

1211040313313 is a wasteful number, since it uses less digits than its factorization.

1211040313313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30976.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1211040313313 its reverse (3133130401121), we get a palindrome (4344170714434).

The spelling of 1211040313313 in words is "one trillion, two hundred eleven billion, forty million, three hundred thirteen thousand, three hundred thirteen".