231441130332011 has 4 divisors (see below), whose sum is σ = 231459650079672. Its totient is φ = 231422610584352.

The previous prime is 231441130332001. The next prime is 231441130332037. The reversal of 231441130332011 is 110233031144132.

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

It is a cyclic number.

It is not a de Polignac number, because 231441130332011 - 2¹⁴ = 231441130315627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231441130332001) 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, 9259855085 + ... + 9259880078.

It is an arithmetic number, because the mean of its divisors is an integer number (57864912519918).

Almost surely, 2^{231441130332011} is an apocalyptic number.

231441130332011 is a deficient number, since it is larger than the sum of its proper divisors (18519747661).

231441130332011 is a wasteful number, since it uses less digits than its factorization.

231441130332011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18519747660.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 231441130332011 its reverse (110233031144132), we get a palindrome (341674161476143).

The spelling of 231441130332011 in words is "two hundred thirty-one trillion, four hundred forty-one billion, one hundred thirty million, three hundred thirty-two thousand, eleven".