231312303103 has 12 divisors (see below), whose sum is σ = 269182954632. Its totient is φ = 198190041840.

The previous prime is 231312303097. The next prime is 231312303121. The reversal of 231312303103 is 301303213132.

It is not a de Polignac number, because 231312303103 - 2¹⁷ = 231312172031 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 (231312303403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 797793 + ... + 1048378.

It is an arithmetic number, because the mean of its divisors is an integer number (22431912886).

Almost surely, 2^231312303103 is an apocalyptic number.

231312303103 is a deficient number, since it is larger than the sum of its proper divisors (37870651529).

231312303103 is a wasteful number, since it uses less digits than its factorization.

231312303103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848742 (or 1848735 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 231312303103 its reverse (301303213132), we get a palindrome (532615516235).

The spelling of 231312303103 in words is "two hundred thirty-one billion, three hundred twelve million, three hundred three thousand, one hundred three".