211131430014 has 16 divisors (see below), whose sum is σ = 422307605520. Its totient is φ = 70369685760.

The previous prime is 211131430007. The next prime is 211131430033. The reversal of 211131430014 is 410034131112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1802899 + ... + 1916430.

It is an arithmetic number, because the mean of its divisors is an integer number (26394225345).

Almost surely, 2^211131430014 is an apocalyptic number.

211131430014 is an abundant number, since it is smaller than the sum of its proper divisors (211176175506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211131430014 is a wasteful number, since it uses less digits than its factorization.

211131430014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728795.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 211131430014 its reverse (410034131112), we get a palindrome (621165561126).

The spelling of 211131430014 in words is "two hundred eleven billion, one hundred thirty-one million, four hundred thirty thousand, fourteen".