11031130236 has 48 divisors (see below), whose sum is σ = 29423471616. Its totient is φ = 3150988224.

The previous prime is 11031130223. The next prime is 11031130247. The reversal of 11031130236 is 63203113011.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396205 + ... + 423131.

It is an arithmetic number, because the mean of its divisors is an integer number (612988992).

Almost surely, 2^11031130236 is an apocalyptic number.

It is an amenable number.

11031130236 is an abundant number, since it is smaller than the sum of its proper divisors (18392341380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11031130236 is a wasteful number, since it uses less digits than its factorization.

11031130236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31818 (or 31816 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11031130236 its reverse (63203113011), we get a palindrome (74234243247).

The spelling of 11031130236 in words is "eleven billion, thirty-one million, one hundred thirty thousand, two hundred thirty-six".