231103031023 has 4 divisors (see below), whose sum is σ = 231104124328. Its totient is φ = 231101937720.

The previous prime is 231103031011. The next prime is 231103031051. The reversal of 231103031023 is 320130301132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 231103031023 - 2⁹ = 231103030511 is a prime.

It is a super-2 number, since 2×231103031023² (a number of 24 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 (231103031623) 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, 117036 + ... + 689857.

It is an arithmetic number, because the mean of its divisors is an integer number (57776031082).

Almost surely, 2^231103031023 is an apocalyptic number.

231103031023 is a deficient number, since it is larger than the sum of its proper divisors (1093305).

231103031023 is an equidigital number, since it uses as much as digits as its factorization.

231103031023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093304.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 231103031023 its reverse (320130301132), we get a palindrome (551233332155).

The spelling of 231103031023 in words is "two hundred thirty-one billion, one hundred three million, thirty-one thousand, twenty-three".