231431040041 has 8 divisors (see below), whose sum is σ = 236994616584. Its totient is φ = 225911795200.

The previous prime is 231431040019. The next prime is 231431040077. The reversal of 231431040041 is 140040134132.

It can be written as a sum of positive squares in 4 ways, for example, as 105391129600 + 126039910441 = 324640^2 + 355021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231431040041 - 2⁶ = 231431039977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231431039989 and 231431040016.

It is not an unprimeable number, because it can be changed into a prime (231431040011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11072360 + ... + 11093241.

It is an arithmetic number, because the mean of its divisors is an integer number (29624327073).

Almost surely, 2^231431040041 is an apocalyptic number.

It is an amenable number.

231431040041 is a deficient number, since it is larger than the sum of its proper divisors (5563576543).

231431040041 is a wasteful number, since it uses less digits than its factorization.

231431040041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22165851.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 231431040041 its reverse (140040134132), we get a palindrome (371471174173).

The spelling of 231431040041 in words is "two hundred thirty-one billion, four hundred thirty-one million, forty thousand, forty-one".