1131032203203 has 16 divisors (see below), whose sum is σ = 1723515446016. Its totient is φ = 646289940000.

The previous prime is 1131032203187. The next prime is 1131032203229. The reversal of 1131032203203 is 3023022301311.

It is not a de Polignac number, because 1131032203203 - 2⁴ = 1131032203187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1131032203203.

It is not an unprimeable number, because it can be changed into a prime (1131032203403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430600 + ... + 1564442.

It is an arithmetic number, because the mean of its divisors is an integer number (107719715376).

Almost surely, 2^{1131032203203} is an apocalyptic number.

1131032203203 is a deficient number, since it is larger than the sum of its proper divisors (592483242813).

1131032203203 is a wasteful number, since it uses less digits than its factorization.

1131032203203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181354.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1131032203203 its reverse (3023022301311), we get a palindrome (4154054504514).

The spelling of 1131032203203 in words is "one trillion, one hundred thirty-one billion, thirty-two million, two hundred three thousand, two hundred three".