231301303103 has 4 divisors (see below), whose sum is σ = 249093711048. Its totient is φ = 213508895160.

The previous prime is 231301303099. The next prime is 231301303109. The reversal of 231301303103 is 301303103132.

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 231301303103 - 2² = 231301303099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231301303109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8896203953 + ... + 8896203978.

It is an arithmetic number, because the mean of its divisors is an integer number (62273427762).

Almost surely, 2^231301303103 is an apocalyptic number.

231301303103 is a deficient number, since it is larger than the sum of its proper divisors (17792407945).

231301303103 is a wasteful number, since it uses less digits than its factorization.

231301303103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17792407944.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 231301303103 its reverse (301303103132), we get a palindrome (532604406235).

The spelling of 231301303103 in words is "two hundred thirty-one billion, three hundred one million, three hundred three thousand, one hundred three".