1131031231003 has 8 divisors (see below), whose sum is σ = 1141573897376. Its totient is φ = 1120528728000.

The previous prime is 1131031230961. The next prime is 1131031231007. The reversal of 1131031231003 is 3001321301311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1131031231003 - 2³³ = 1122441296411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131031231007) 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 7 ways as a sum of consecutive naturals, for example, 9984258 + ... + 10096903.

It is an arithmetic number, because the mean of its divisors is an integer number (142696737172).

Almost surely, 2^{1131031231003} is an apocalyptic number.

1131031231003 is a deficient number, since it is larger than the sum of its proper divisors (10542666373).

1131031231003 is a wasteful number, since it uses less digits than its factorization.

1131031231003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20081685.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1131031231003 its reverse (3001321301311), we get a palindrome (4132352532314).

The spelling of 1131031231003 in words is "one trillion, one hundred thirty-one billion, thirty-one million, two hundred thirty-one thousand, three".