11311230032 has 20 divisors (see below), whose sum is σ = 21921969300. Its totient is φ = 5653947648.

The previous prime is 11311230031. The next prime is 11311230037. The reversal of 11311230032 is 23003211311.

It can be written as a sum of positive squares in 2 ways, for example, as 719526976 + 10591703056 = 26824^2 + 102916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311230031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47303 + ... + 157670.

It is an arithmetic number, because the mean of its divisors is an integer number (1096098465).

Almost surely, 2^11311230032 is an apocalyptic number.

It is an amenable number.

11311230032 is a deficient number, since it is larger than the sum of its proper divisors (10610739268).

11311230032 is a wasteful number, since it uses less digits than its factorization.

11311230032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208430 (or 208424 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11311230032 its reverse (23003211311), we get a palindrome (34314441343).

The spelling of 11311230032 in words is "eleven billion, three hundred eleven million, two hundred thirty thousand, thirty-two".