231825368671 has 4 divisors (see below), whose sum is σ = 249658089352. Its totient is φ = 213992647992.

The previous prime is 231825368653. The next prime is 231825368701. The reversal of 231825368671 is 176863528132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231825368671 - 2⁷ = 231825368543 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 (231825368771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8916360321 + ... + 8916360346.

It is an arithmetic number, because the mean of its divisors is an integer number (62414522338).

Almost surely, 2^231825368671 is an apocalyptic number.

231825368671 is a deficient number, since it is larger than the sum of its proper divisors (17832720681).

231825368671 is a wasteful number, since it uses less digits than its factorization.

231825368671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17832720680.

The product of its digits is 2903040, while the sum is 52.

The spelling of 231825368671 in words is "two hundred thirty-one billion, eight hundred twenty-five million, three hundred sixty-eight thousand, six hundred seventy-one".