211364324631 has 6 divisors (see below), whose sum is σ = 305304024480. Its totient is φ = 140909549748.

The previous prime is 211364324629. The next prime is 211364324687. The reversal of 211364324631 is 136423463112.

211364324631 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 643 + 2 + 4 + 6 + 3 + 1 = 666.

211364324631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211364324631 - 2¹ = 211364324629 is a prime.

It is a super-2 number, since 2×211364324631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211364324621) 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 5 ways as a sum of consecutive naturals, for example, 11742462471 + ... + 11742462488.

It is an arithmetic number, because the mean of its divisors is an integer number (50884004080).

Almost surely, 2^211364324631 is an apocalyptic number.

211364324631 is a deficient number, since it is larger than the sum of its proper divisors (93939699849).

211364324631 is a wasteful number, since it uses less digits than its factorization.

211364324631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23484924965 (or 23484924962 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

Adding to 211364324631 its reverse (136423463112), we get a palindrome (347787787743).

The spelling of 211364324631 in words is "two hundred eleven billion, three hundred sixty-four million, three hundred twenty-four thousand, six hundred thirty-one".