1131030232223 has 12 divisors (see below), whose sum is σ = 1146859388928. Its totient is φ = 1115399327040.

The previous prime is 1131030232177. The next prime is 1131030232229. The reversal of 1131030232223 is 3222320301311.

It is not a de Polignac number, because 1131030232223 - 2³² = 1126735264927 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 (1131030232229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2335586 + ... + 2777952.

It is an arithmetic number, because the mean of its divisors is an integer number (95571615744).

Almost surely, 2^{1131030232223} is an apocalyptic number.

1131030232223 is a deficient number, since it is larger than the sum of its proper divisors (15829156705).

1131030232223 is an equidigital number, since it uses as much as digits as its factorization.

1131030232223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442814 (or 442711 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1131030232223 its reverse (3222320301311), we get a palindrome (4353350533534).

The spelling of 1131030232223 in words is "one trillion, one hundred thirty-one billion, thirty million, two hundred thirty-two thousand, two hundred twenty-three".