231330244141 has 4 divisors (see below), whose sum is σ = 231382573884. Its totient is φ = 231277914400.

The previous prime is 231330244139. The next prime is 231330244151. The reversal of 231330244141 is 141442033132.

It is a happy number.

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 167727926116 + 63602318025 = 409546^2 + 252195^2 .

It is a cyclic number.

It is not a de Polignac number, because 231330244141 - 2¹ = 231330244139 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 (231330244151) 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, 26158240 + ... + 26167081.

It is an arithmetic number, because the mean of its divisors is an integer number (57845643471).

Almost surely, 2^231330244141 is an apocalyptic number.

It is an amenable number.

231330244141 is a deficient number, since it is larger than the sum of its proper divisors (52329743).

231330244141 is an equidigital number, since it uses as much as digits as its factorization.

231330244141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52329742.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 231330244141 its reverse (141442033132), we get a palindrome (372772277273).

The spelling of 231330244141 in words is "two hundred thirty-one billion, three hundred thirty million, two hundred forty-four thousand, one hundred forty-one".