13120312431132 has 18 divisors (see below), whose sum is σ = 33165234201008. Its totient is φ = 4373437477032.

The previous prime is 13120312431101. The next prime is 13120312431157. The reversal of 13120312431132 is 23113421302131.

13120312431132 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 0 + 312 + 4 + 311 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 13120312431096 and 13120312431105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182226561508 + ... + 182226561579.

Almost surely, 2^{13120312431132} is an apocalyptic number.

13120312431132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13120312431132 is an abundant number, since it is smaller than the sum of its proper divisors (20044921769876).

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

13120312431132 is a wasteful number, since it uses less digits than its factorization.

13120312431132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364453123097 (or 364453123092 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 13120312431132 its reverse (23113421302131), we get a palindrome (36233733733263).

The spelling of 13120312431132 in words is "thirteen trillion, one hundred twenty billion, three hundred twelve million, four hundred thirty-one thousand, one hundred thirty-two".