231041440435 has 24 divisors (see below), whose sum is σ = 308331180720. Its totient is φ = 166003972992.

The previous prime is 231041440429. The next prime is 231041440453. The reversal of 231041440435 is 534044140132.

It is not a de Polignac number, because 231041440435 - 2³¹ = 228893956787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231041440397 and 231041440406.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3663625 + ... + 3726154.

It is an arithmetic number, because the mean of its divisors is an integer number (12847132530).

Almost surely, 2^231041440435 is an apocalyptic number.

231041440435 is a deficient number, since it is larger than the sum of its proper divisors (77289740285).

231041440435 is a wasteful number, since it uses less digits than its factorization.

231041440435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7389847 (or 7389834 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 231041440435 its reverse (534044140132), we get a palindrome (765085580567).

The spelling of 231041440435 in words is "two hundred thirty-one billion, forty-one million, four hundred forty thousand, four hundred thirty-five".