231001011203103 has 6 divisors (see below), whose sum is σ = 333668127293384. Its totient is φ = 154000674135396.

The previous prime is 231001011203089. The next prime is 231001011203119. The reversal of 231001011203103 is 301302110100132.

231001011203103 is a `hidden beast` number, since 2 + 310 + 0 + 10 + 11 + 20 + 310 + 3 = 666.

It is not a de Polignac number, because 231001011203103 - 2²⁰ = 231001010154527 is a prime.

It is a super-2 number, since 2×231001011203103² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231001011203503) 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 5 ways as a sum of consecutive naturals, for example, 12833389511275 + ... + 12833389511292.

Almost surely, 2^{231001011203103} is an apocalyptic number.

231001011203103 is a deficient number, since it is larger than the sum of its proper divisors (102667116090281).

231001011203103 is a wasteful number, since it uses less digits than its factorization.

231001011203103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25666779022573 (or 25666779022570 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 231001011203103 its reverse (301302110100132), we get a palindrome (532303121303235).

The spelling of 231001011203103 in words is "two hundred thirty-one trillion, one billion, eleven million, two hundred three thousand, one hundred three".