231404331141 has 8 divisors (see below), whose sum is σ = 342821231360. Its totient is φ = 154269554076.

The previous prime is 231404331127. The next prime is 231404331173. The reversal of 231404331141 is 141133404132.

231404331141 is a `hidden beast` number, since 2 + 314 + 0 + 4 + 331 + 14 + 1 = 666.

It is not a de Polignac number, because 231404331141 - 2⁶ = 231404331077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8570530783 = 231404331141 / (2 + 3 + 1 + 4 + 0 + 4 + 3 + 3 + 1 + 1 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231404331121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4285265365 + ... + 4285265418.

It is an arithmetic number, because the mean of its divisors is an integer number (42852653920).

Almost surely, 2^231404331141 is an apocalyptic number.

It is an amenable number.

231404331141 is a deficient number, since it is larger than the sum of its proper divisors (111416900219).

231404331141 is an equidigital number, since it uses as much as digits as its factorization.

231404331141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8570530792 (or 8570530786 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 231404331141 its reverse (141133404132), we get a palindrome (372537735273).

The spelling of 231404331141 in words is "two hundred thirty-one billion, four hundred four million, three hundred thirty-one thousand, one hundred forty-one".