231303443103 has 24 divisors (see below), whose sum is σ = 352159241616. Its totient is φ = 151674379200.

The previous prime is 231303443101. The next prime is 231303443123. The reversal of 231303443103 is 301344303132.

231303443103 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 0 + 344 + 310 + 3 = 666.

It is not a de Polignac number, because 231303443103 - 2¹ = 231303443101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231303443101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7787358 + ... + 7817003.

It is an arithmetic number, because the mean of its divisors is an integer number (14673301734).

Almost surely, 2^231303443103 is an apocalyptic number.

231303443103 is a deficient number, since it is larger than the sum of its proper divisors (120855798513).

231303443103 is an equidigital number, since it uses as much as digits as its factorization.

231303443103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15604437 (or 15604425 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 231303443103 its reverse (301344303132), we get a palindrome (532647746235).

The spelling of 231303443103 in words is "two hundred thirty-one billion, three hundred three million, four hundred forty-three thousand, one hundred three".