11130031203 has 4 divisors (see below), whose sum is σ = 14840041608. Its totient is φ = 7420020800.

The previous prime is 11130031201. The next prime is 11130031247. The reversal of 11130031203 is 30213003111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30213003111 = 3 ⋅10071001037.

It is a cyclic number.

It is not a de Polignac number, because 11130031203 - 2¹ = 11130031201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11130031201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855005198 + ... + 1855005203.

It is an arithmetic number, because the mean of its divisors is an integer number (3710010402).

Almost surely, 2^11130031203 is an apocalyptic number.

11130031203 is a deficient number, since it is larger than the sum of its proper divisors (3710010405).

11130031203 is an equidigital number, since it uses as much as digits as its factorization.

11130031203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710010404.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11130031203 its reverse (30213003111), we get a palindrome (41343034314).

The spelling of 11130031203 in words is "eleven billion, one hundred thirty million, thirty-one thousand, two hundred three".