11203311324 has 48 divisors (see below), whose sum is σ = 26411374080. Its totient is φ = 3695919360.

The previous prime is 11203311313. The next prime is 11203311337. The reversal of 11203311324 is 42311330211.

It is a self number, because there is not a number n which added to its sum of digits gives 11203311324.

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, 969219 + ... + 980709.

It is an arithmetic number, because the mean of its divisors is an integer number (550236960).

Almost surely, 2^11203311324 is an apocalyptic number.

It is an amenable number.

11203311324 is an abundant number, since it is smaller than the sum of its proper divisors (15208062756).

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

11203311324 is a wasteful number, since it uses less digits than its factorization.

11203311324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12330 (or 12328 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11203311324 its reverse (42311330211), we get a palindrome (53514641535).

The spelling of 11203311324 in words is "eleven billion, two hundred three million, three hundred eleven thousand, three hundred twenty-four".