231020213003 has 8 divisors (see below), whose sum is σ = 231875572656. Its totient is φ = 230165128800.

The previous prime is 231020212991. The next prime is 231020213111. The reversal of 231020213003 is 300312020132.

231020213003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231020213003 - 2⁶ = 231020212939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231020213503) 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 7 ways as a sum of consecutive naturals, for example, 1694933 + ... + 1826153.

It is an arithmetic number, because the mean of its divisors is an integer number (28984446582).

Almost surely, 2^231020213003 is an apocalyptic number.

231020213003 is a deficient number, since it is larger than the sum of its proper divisors (855359653).

231020213003 is a wasteful number, since it uses less digits than its factorization.

231020213003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137725.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 231020213003 its reverse (300312020132), we get a palindrome (531332233135).

The spelling of 231020213003 in words is "two hundred thirty-one billion, twenty million, two hundred thirteen thousand, three".