1131031022203 has 6 divisors (see below), whose sum is σ = 1193692021044. Its totient is φ = 1071503073324.

The previous prime is 1131031022153. The next prime is 1131031022311. The reversal of 1131031022203 is 3022201301311.

It is not a de Polignac number, because 1131031022203 - 2⁹ = 1131031021691 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131031025203) 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 5 ways as a sum of consecutive naturals, for example, 1566524601 + ... + 1566525322.

It is an arithmetic number, because the mean of its divisors is an integer number (198948670174).

Almost surely, 2^{1131031022203} is an apocalyptic number.

1131031022203 is a deficient number, since it is larger than the sum of its proper divisors (62660998841).

1131031022203 is an equidigital number, since it uses as much as digits as its factorization.

1131031022203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133049961 (or 3133049942 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1131031022203 its reverse (3022201301311), we get a palindrome (4153232323514).

The spelling of 1131031022203 in words is "one trillion, one hundred thirty-one billion, thirty-one million, twenty-two thousand, two hundred three".