231132301013 has 4 divisors (see below), whose sum is σ = 236507470848. Its totient is φ = 225757131180.

The previous prime is 231132300989. The next prime is 231132301027. The reversal of 231132301013 is 310103231132.

231132301013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231132301013 - 2²⁰ = 231131252437 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 (231132301033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2687584853 + ... + 2687584938.

It is an arithmetic number, because the mean of its divisors is an integer number (59126867712).

Almost surely, 2^231132301013 is an apocalyptic number.

It is an amenable number.

231132301013 is a deficient number, since it is larger than the sum of its proper divisors (5375169835).

231132301013 is an equidigital number, since it uses as much as digits as its factorization.

231132301013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5375169834.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 231132301013 its reverse (310103231132), we get a palindrome (541235532145).

The spelling of 231132301013 in words is "two hundred thirty-one billion, one hundred thirty-two million, three hundred one thousand, thirteen".