4321131111 has 64 divisors (see below), whose sum is σ = 7449615360. Its totient is φ = 2446433280.

The previous prime is 4321131097. The next prime is 4321131119. The reversal of 4321131111 is 1111311234.

It is a happy number.

It is not a de Polignac number, because 4321131111 - 2⁹ = 4321130599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321131119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 688590 + ... + 694836.

It is an arithmetic number, because the mean of its divisors is an integer number (116400240).

Almost surely, 2^4321131111 is an apocalyptic number.

4321131111 is a deficient number, since it is larger than the sum of its proper divisors (3128484249).

4321131111 is a wasteful number, since it uses less digits than its factorization.

4321131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6421 (or 6415 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 4321131111 is about 65735.3109903650. The cubic root of 4321131111 is about 1628.7927014244.

Adding to 4321131111 its reverse (1111311234), we get a palindrome (5432442345).

The spelling of 4321131111 in words is "four billion, three hundred twenty-one million, one hundred thirty-one thousand, one hundred eleven".