211130344231 has 8 divisors (see below), whose sum is σ = 217077956928. Its totient is φ = 205220736000.

The previous prime is 211130344219. The next prime is 211130344241. The reversal of 211130344231 is 132443031112.

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

It is a cyclic number.

It is not a de Polignac number, because 211130344231 - 2⁵ = 211130344199 is a prime.

It is a super-2 number, since 2×211130344231² (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 = 211130344196 and 211130344205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211130344241) 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 7 ways as a sum of consecutive naturals, for example, 9489850 + ... + 9512071.

It is an arithmetic number, because the mean of its divisors is an integer number (27134744616).

Almost surely, 2^211130344231 is an apocalyptic number.

211130344231 is a deficient number, since it is larger than the sum of its proper divisors (5947612697).

211130344231 is a wasteful number, since it uses less digits than its factorization.

211130344231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19002233.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 211130344231 its reverse (132443031112), we get a palindrome (343573375343).

The spelling of 211130344231 in words is "two hundred eleven billion, one hundred thirty million, three hundred forty-four thousand, two hundred thirty-one".