13133431332 has 72 divisors (see below), whose sum is σ = 39937934400. Its totient is φ = 3554912448.

The previous prime is 13133431253. The next prime is 13133431361. The reversal of 13133431332 is 23313433131.

13133431332 is a `hidden beast` number, since 1 + 313 + 3 + 4 + 313 + 32 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 13133431296 and 13133431305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1366707 + ... + 1376282.

Almost surely, 2^13133431332 is an apocalyptic number.

13133431332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13133431332 is an abundant number, since it is smaller than the sum of its proper divisors (26804503068).

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

13133431332 is a wasteful number, since it uses less digits than its factorization.

13133431332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743025 (or 2743020 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 13133431332 its reverse (23313433131), we get a palindrome (36446864463).

The spelling of 13133431332 in words is "thirteen billion, one hundred thirty-three million, four hundred thirty-one thousand, three hundred thirty-two".