1311230210311 has 32 divisors (see below), whose sum is σ = 1536703322112. Its totient is φ = 1095499553280.

The previous prime is 1311230210267. The next prime is 1311230210369. The reversal of 1311230210311 is 1130120321131.

It is a cyclic number.

It is not a de Polignac number, because 1311230210311 - 2⁷ = 1311230210183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311230210111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100571085 + ... + 100584121.

It is an arithmetic number, because the mean of its divisors is an integer number (48021978816).

Almost surely, 2^{1311230210311} is an apocalyptic number.

1311230210311 is a deficient number, since it is larger than the sum of its proper divisors (225473111801).

1311230210311 is a wasteful number, since it uses less digits than its factorization.

1311230210311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14319.

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

Adding to 1311230210311 its reverse (1130120321131), we get a palindrome (2441350531442).

The spelling of 1311230210311 in words is "one trillion, three hundred eleven billion, two hundred thirty million, two hundred ten thousand, three hundred eleven".