11031002203 has 8 divisors (see below), whose sum is σ = 12022669008. Its totient is φ = 10059782304.

The previous prime is 11031002183. The next prime is 11031002221. The reversal of 11031002203 is 30220013011.

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

It is not a de Polignac number, because 11031002203 - 2²¹ = 11028905051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11031002233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5110600 + ... + 5112757.

It is an arithmetic number, because the mean of its divisors is an integer number (1502833626).

Almost surely, 2^11031002203 is an apocalyptic number.

11031002203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11031002203 is a deficient number, since it is larger than the sum of its proper divisors (991666805).

11031002203 is a wasteful number, since it uses less digits than its factorization.

11031002203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223453.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11031002203 its reverse (30220013011), we get a palindrome (41251015214).

The spelling of 11031002203 in words is "eleven billion, thirty-one million, two thousand, two hundred three".