231430330103 has 4 divisors (see below), whose sum is σ = 264491805840. Its totient is φ = 198368854368.

The previous prime is 231430330081. The next prime is 231430330121. The reversal of 231430330103 is 301033034132.

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 231430330103 - 2¹⁰ = 231430329079 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 (231430332103) 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, 16530737858 + ... + 16530737871.

It is an arithmetic number, because the mean of its divisors is an integer number (66122951460).

Almost surely, 2^231430330103 is an apocalyptic number.

231430330103 is a deficient number, since it is larger than the sum of its proper divisors (33061475737).

231430330103 is an equidigital number, since it uses as much as digits as its factorization.

231430330103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33061475736.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 231430330103 its reverse (301033034132), we get a palindrome (532463364235).

The spelling of 231430330103 in words is "two hundred thirty-one billion, four hundred thirty million, three hundred thirty thousand, one hundred three".