13311012112 has 20 divisors (see below), whose sum is σ = 26419113756. Its totient is φ = 6493176320.

The previous prime is 13311012109. The next prime is 13311012137. The reversal of 13311012112 is 21121011331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7464268816 + 5846743296 = 86396^2 + 76464^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10144933 + ... + 10146244.

Almost surely, 2^13311012112 is an apocalyptic number.

It is an amenable number.

13311012112 is a deficient number, since it is larger than the sum of its proper divisors (13108101644).

13311012112 is a wasteful number, since it uses less digits than its factorization.

13311012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20291226 (or 20291220 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13311012112 its reverse (21121011331), we get a palindrome (34432023443).

The spelling of 13311012112 in words is "thirteen billion, three hundred eleven million, twelve thousand, one hundred twelve".