211131100311 has 8 divisors (see below), whose sum is σ = 293747617920. Its totient is φ = 134634324792.

The previous prime is 211131100307. The next prime is 211131100373. The reversal of 211131100311 is 113001131112.

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

It is not a de Polignac number, because 211131100311 - 2² = 211131100307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211131100391) 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, 1529935441 + ... + 1529935578.

It is an arithmetic number, because the mean of its divisors is an integer number (36718452240).

Almost surely, 2^211131100311 is an apocalyptic number.

211131100311 is a deficient number, since it is larger than the sum of its proper divisors (82616517609).

211131100311 is a wasteful number, since it uses less digits than its factorization.

211131100311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059871045.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 211131100311 its reverse (113001131112), we get a palindrome (324132231423).

The spelling of 211131100311 in words is "two hundred eleven billion, one hundred thirty-one million, one hundred thousand, three hundred eleven".