2311131433211 has 8 divisors (see below), whose sum is σ = 2430024689664. Its totient is φ = 2193772283560.

The previous prime is 2311131433181. The next prime is 2311131433217. The reversal of 2311131433211 is 1123341311132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311131433211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2311131433217) 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 7 ways as a sum of consecutive naturals, for example, 383523611 + ... + 383529636.

It is an arithmetic number, because the mean of its divisors is an integer number (303753086208).

Almost surely, 2^{2311131433211} is an apocalyptic number.

2311131433211 is a deficient number, since it is larger than the sum of its proper divisors (118893256453).

2311131433211 is a wasteful number, since it uses less digits than its factorization.

2311131433211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767053401.

The product of its digits is 1296, while the sum is 26.

Adding to 2311131433211 its reverse (1123341311132), we get a palindrome (3434472744343).

The spelling of 2311131433211 in words is "two trillion, three hundred eleven billion, one hundred thirty-one million, four hundred thirty-three thousand, two hundred eleven".