11311331016 has 32 divisors (see below), whose sum is σ = 28741910400. Its totient is φ = 3708632640.

The previous prime is 11311330997. The next prime is 11311331039. The reversal of 11311331016 is 61013311311.

It is a junction number, because it is equal to n+sod(n) for n = 11311330983 and 11311331001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3861696 + ... + 3864623.

It is an arithmetic number, because the mean of its divisors is an integer number (898184700).

Almost surely, 2^11311331016 is an apocalyptic number.

It is an amenable number.

11311331016 is an abundant number, since it is smaller than the sum of its proper divisors (17430579384).

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

11311331016 is a wasteful number, since it uses less digits than its factorization.

11311331016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726389 (or 7726385 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 11311331016 its reverse (61013311311), we get a palindrome (72324642327).

The spelling of 11311331016 in words is "eleven billion, three hundred eleven million, three hundred thirty-one thousand, sixteen".