11333431304 has 64 divisors (see below), whose sum is σ = 24075576000. Its totient is φ = 4964762880.

The previous prime is 11333431301. The next prime is 11333431337. The reversal of 11333431304 is 40313433311.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (11333431301) 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, 146099 + ... + 209789.

It is an arithmetic number, because the mean of its divisors is an integer number (376180875).

Almost surely, 2^11333431304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11333431304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12037788000).

11333431304 is an abundant number, since it is smaller than the sum of its proper divisors (12742144696).

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

11333431304 is a wasteful number, since it uses less digits than its factorization.

11333431304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63798 (or 63794 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 11333431304 its reverse (40313433311), we get a palindrome (51646864615).

The spelling of 11333431304 in words is "eleven billion, three hundred thirty-three million, four hundred thirty-one thousand, three hundred four".