231534040334141 has 4 divisors (see below), whose sum is σ = 232197461653500. Its totient is φ = 230870619014784.

The previous prime is 231534040334081. The next prime is 231534040334167. The reversal of 231534040334141 is 141433040435132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 203982522240025 + 27551518094116 = 14282245^2 + 5248954^2 .

It is a cyclic number.

It is not a de Polignac number, because 231534040334141 - 2¹⁰ = 231534040333117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231534040334095 and 231534040334104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231534040334741) 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, 331710659156 + ... + 331710659853.

It is an arithmetic number, because the mean of its divisors is an integer number (58049365413375).

Almost surely, 2^{231534040334141} is an apocalyptic number.

It is an amenable number.

231534040334141 is a deficient number, since it is larger than the sum of its proper divisors (663421319359).

231534040334141 is an equidigital number, since it uses as much as digits as its factorization.

231534040334141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663421319358.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 231534040334141 its reverse (141433040435132), we get a palindrome (372967080769273).

The spelling of 231534040334141 in words is "two hundred thirty-one trillion, five hundred thirty-four billion, forty million, three hundred thirty-four thousand, one hundred forty-one".