211431242313 has 48 divisors (see below), whose sum is σ = 310072112896. Its totient is φ = 138814663680.

The previous prime is 211431242311. The next prime is 211431242357. The reversal of 211431242313 is 313242134112.

211431242313 is a `hidden beast` number, since 2 + 114 + 312 + 4 + 231 + 3 = 666.

It is not a de Polignac number, because 211431242313 - 2¹ = 211431242311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211431242311) 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 47 ways as a sum of consecutive naturals, for example, 279301131 + ... + 279301887.

Almost surely, 2^211431242313 is an apocalyptic number.

It is an amenable number.

211431242313 is a deficient number, since it is larger than the sum of its proper divisors (98640870583).

211431242313 is a wasteful number, since it uses less digits than its factorization.

211431242313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014 (or 2011 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 211431242313 its reverse (313242134112), we get a palindrome (524673376425).

The spelling of 211431242313 in words is "two hundred eleven billion, four hundred thirty-one million, two hundred forty-two thousand, three hundred thirteen".