211323011131 has 8 divisors (see below), whose sum is σ = 214521287760. Its totient is φ = 208126034688.

The previous prime is 211323011111. The next prime is 211323011149. The reversal of 211323011131 is 131110323112.

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 211323011131 - 2¹⁷ = 211322880059 is a prime.

It is a super-2 number, since 2×211323011131² (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 = 211323011099 and 211323011108.

It is not an unprimeable number, because it can be changed into a prime (211323011111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4995 + ... + 650131.

It is an arithmetic number, because the mean of its divisors is an integer number (26815160970).

Almost surely, 2^211323011131 is an apocalyptic number.

211323011131 is a deficient number, since it is larger than the sum of its proper divisors (3198276629).

211323011131 is an equidigital number, since it uses as much as digits as its factorization.

211323011131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650093.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 211323011131 its reverse (131110323112), we get a palindrome (342433334243).

The spelling of 211323011131 in words is "two hundred eleven billion, three hundred twenty-three million, eleven thousand, one hundred thirty-one".