11030331312 has 480 divisors, whose sum is σ = 42182300160. Its totient is φ = 2597806080.

The previous prime is 11030331241. The next prime is 11030331341. The reversal of 11030331312 is 21313303011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8503848 + ... + 8505144.

It is an arithmetic number, because the mean of its divisors is an integer number (87879792).

Almost surely, 2^11030331312 is an apocalyptic number.

11030331312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11030331312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21091150080).

11030331312 is an abundant number, since it is smaller than the sum of its proper divisors (31151968848).

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

11030331312 is a wasteful number, since it uses less digits than its factorization.

11030331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 1392 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11030331312 its reverse (21313303011), we get a palindrome (32343634323).

The spelling of 11030331312 in words is "eleven billion, thirty million, three hundred thirty-one thousand, three hundred twelve".