13011431332 has 6 divisors (see below), whose sum is σ = 22770004838. Its totient is φ = 6505715664.

The previous prime is 13011431327. The next prime is 13011431347. The reversal of 13011431332 is 23313411031.

13011431332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11965296996 + 1046134336 = 109386^2 + 32344^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1626428913 + ... + 1626428920.

Almost surely, 2^13011431332 is an apocalyptic number.

It is an amenable number.

13011431332 is a deficient number, since it is larger than the sum of its proper divisors (9758573506).

13011431332 is a wasteful number, since it uses less digits than its factorization.

13011431332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252857837 (or 3252857835 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13011431332 its reverse (23313411031), we get a palindrome (36324842363).

The spelling of 13011431332 in words is "thirteen billion, eleven million, four hundred thirty-one thousand, three hundred thirty-two".