231031420103 has 16 divisors (see below), whose sum is σ = 255104767872. Its totient is φ = 207479220000.

The previous prime is 231031420093. The next prime is 231031420127. The reversal of 231031420103 is 301024130132.

It is a cyclic number.

It is not a de Polignac number, because 231031420103 - 2³² = 226736452807 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 (231031420183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257468 + ... + 726878.

It is an arithmetic number, because the mean of its divisors is an integer number (15944047992).

Almost surely, 2^231031420103 is an apocalyptic number.

231031420103 is a deficient number, since it is larger than the sum of its proper divisors (24073347769).

231031420103 is a wasteful number, since it uses less digits than its factorization.

231031420103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469966.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 231031420103 its reverse (301024130132), we get a palindrome (532055550235).

It can be divided in two parts, 2310 and 31420103, that added together give a palindrome (31422413).

The spelling of 231031420103 in words is "two hundred thirty-one billion, thirty-one million, four hundred twenty thousand, one hundred three".