20132131231332 has 36 divisors (see below), whose sum is σ = 51170711719036. Its totient is φ = 6673634660160.

The previous prime is 20132131231291. The next prime is 20132131231519. The reversal of 20132131231332 is 23313213123102.

20132131231332 is a `hidden beast` number, since 2 + 0 + 1 + 3 + 2 + 1 + 312 + 313 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9925486424676 + 10206644806656 = 3150474^2 + 3194784^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 20132131231296 and 20132131231305.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1544816323 + ... + 1544829354.

Almost surely, 2^{20132131231332} is an apocalyptic number.

It is an amenable number.

20132131231332 is an abundant number, since it is smaller than the sum of its proper divisors (31038580487704).

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

20132131231332 is a wasteful number, since it uses less digits than its factorization.

20132131231332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089645868 (or 3089645863 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 20132131231332 its reverse (23313213123102), we get a palindrome (43445344354434).

The spelling of 20132131231332 in words is "twenty trillion, one hundred thirty-two billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred thirty-two".