231011003213 has 4 divisors (see below), whose sum is σ = 231391582080. Its totient is φ = 230630424348.

The previous prime is 231011003191. The next prime is 231011003219. The reversal of 231011003213 is 312300110132.

231011003213 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 231011003213 - 2⁶ = 231011003149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231011003191 and 231011003200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231011003219) 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, 190288523 + ... + 190289736.

It is an arithmetic number, because the mean of its divisors is an integer number (57847895520).

Almost surely, 2^231011003213 is an apocalyptic number.

It is an amenable number.

231011003213 is a deficient number, since it is larger than the sum of its proper divisors (380578867).

231011003213 is an equidigital number, since it uses as much as digits as its factorization.

231011003213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380578866.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 231011003213 its reverse (312300110132), we get a palindrome (543311113345).

The spelling of 231011003213 in words is "two hundred thirty-one billion, eleven million, three thousand, two hundred thirteen".