231101111130403 has 4 divisors (see below), whose sum is σ = 231143352245568. Its totient is φ = 231058870015240.

The previous prime is 231101111130397. The next prime is 231101111130433. The reversal of 231101111130403 is 304031111101132.

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

It is a cyclic number.

It is not a de Polignac number, because 231101111130403 - 2³⁷ = 230963672176931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231101111130433) 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, 21120549376 + ... + 21120560317.

It is an arithmetic number, because the mean of its divisors is an integer number (57785838061392).

Almost surely, 2^{231101111130403} is an apocalyptic number.

231101111130403 is a deficient number, since it is larger than the sum of its proper divisors (42241115165).

231101111130403 is an equidigital number, since it uses as much as digits as its factorization.

231101111130403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42241115164.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 231101111130403 its reverse (304031111101132), we get a palindrome (535132222231535).

The spelling of 231101111130403 in words is "two hundred thirty-one trillion, one hundred one billion, one hundred eleven million, one hundred thirty thousand, four hundred three".