231000011103 has 4 divisors (see below), whose sum is σ = 308000014808. Its totient is φ = 154000007400.

The previous prime is 231000011087. The next prime is 231000011111. The reversal of 231000011103 is 301110000132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 231000011103 - 2⁴ = 231000011087 is a prime.

It is a super-2 number, since 2×231000011103² (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 (231000011003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38500001848 + ... + 38500001853.

It is an arithmetic number, because the mean of its divisors is an integer number (77000003702).

Almost surely, 2^231000011103 is an apocalyptic number.

231000011103 is a deficient number, since it is larger than the sum of its proper divisors (77000003705).

231000011103 is an equidigital number, since it uses as much as digits as its factorization.

231000011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77000003704.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 231000011103 its reverse (301110000132), we get a palindrome (532110011235).

The spelling of 231000011103 in words is "two hundred thirty-one billion, eleven thousand, one hundred three".