3231320231111 has 12 divisors (see below), whose sum is σ = 3782824654968. Its totient is φ = 2752061627952.

The previous prime is 3231320231077. The next prime is 3231320231143. The reversal of 3231320231111 is 1111320231323.

It is a de Polignac number, because none of the positive numbers 2^k-3231320231111 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 (3231320231171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210009221 + ... + 210024606.

It is an arithmetic number, because the mean of its divisors is an integer number (315235387914).

Almost surely, 2^{3231320231111} is an apocalyptic number.

3231320231111 is a deficient number, since it is larger than the sum of its proper divisors (551504423857).

3231320231111 is a wasteful number, since it uses less digits than its factorization.

3231320231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420033998 (or 420033991 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3231320231111 its reverse (1111320231323), we get a palindrome (4342640462434).

The spelling of 3231320231111 in words is "three trillion, two hundred thirty-one billion, three hundred twenty million, two hundred thirty-one thousand, one hundred eleven".