211300232131 has 16 divisors (see below), whose sum is σ = 223189495200. Its totient is φ = 199488503808.

The previous prime is 211300232083. The next prime is 211300232137. The reversal of 211300232131 is 131232003112.

It is a cyclic number.

It is not a de Polignac number, because 211300232131 - 2¹⁷ = 211300101059 is a prime.

It is a super-2 number, since 2×211300232131² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211300232099 and 211300232108.

It is not an unprimeable number, because it can be changed into a prime (211300232137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11909475 + ... + 11927203.

It is an arithmetic number, because the mean of its divisors is an integer number (13949343450).

Almost surely, 2^211300232131 is an apocalyptic number.

211300232131 is a deficient number, since it is larger than the sum of its proper divisors (11889263069).

211300232131 is a wasteful number, since it uses less digits than its factorization.

211300232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19878.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 211300232131 its reverse (131232003112), we get a palindrome (342532235243).

The spelling of 211300232131 in words is "two hundred eleven billion, three hundred million, two hundred thirty-two thousand, one hundred thirty-one".