211434231013 has 8 divisors (see below), whose sum is σ = 214099286400. Its totient is φ = 208775606688.

The previous prime is 211434230929. The next prime is 211434231083. The reversal of 211434231013 is 310132434112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211434231013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211434231083) 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, 1541581 + ... + 1673122.

It is an arithmetic number, because the mean of its divisors is an integer number (26762410800).

Almost surely, 2^211434231013 is an apocalyptic number.

It is an amenable number.

211434231013 is a deficient number, since it is larger than the sum of its proper divisors (2665055387).

211434231013 is an equidigital number, since it uses as much as digits as its factorization.

211434231013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215531.

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

Adding to 211434231013 its reverse (310132434112), we get a palindrome (521566665125).

The spelling of 211434231013 in words is "two hundred eleven billion, four hundred thirty-four million, two hundred thirty-one thousand, thirteen".