211150042531 has 16 divisors (see below), whose sum is σ = 214797139200. Its totient is φ = 207522453600.

The previous prime is 211150042507. The next prime is 211150042547. The reversal of 211150042531 is 135240051112.

211150042531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 211150042531 - 2¹¹ = 211150040483 is a prime.

It is a super-2 number, since 2×211150042531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211150042496 and 211150042505.

It is not an unprimeable number, because it can be changed into a prime (211150042331) 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 15 ways as a sum of consecutive naturals, for example, 71068876 + ... + 71071846.

It is an arithmetic number, because the mean of its divisors is an integer number (13424821200).

Almost surely, 2^211150042531 is an apocalyptic number.

211150042531 is a deficient number, since it is larger than the sum of its proper divisors (3647096669).

211150042531 is a wasteful number, since it uses less digits than its factorization.

211150042531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 211150042531 its reverse (135240051112), we get a palindrome (346390093643).

The spelling of 211150042531 in words is "two hundred eleven billion, one hundred fifty million, forty-two thousand, five hundred thirty-one".