131677243021512 has 48 divisors (see below), whose sum is σ = 377603858668140. Its totient is φ = 41310507614208.

The previous prime is 131677243021417. The next prime is 131677243021589. The reversal of 131677243021512 is 215120342776131.

131677243021512 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 7 + 72 + 43 + 0 + 21 + 512 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 126435496877316 + 5241746144196 = 11244354^2 + 2289486^2 .

It is a super-2 number, since 2×131677243021512² (a number of 29 digits) contains 22 as substring.

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, 53789722233 + ... + 53789724680.

Almost surely, 2^{131677243021512} is an apocalyptic number.

131677243021512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131677243021512 is an abundant number, since it is smaller than the sum of its proper divisors (245926615646628).

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

131677243021512 is a wasteful number, since it uses less digits than its factorization.

131677243021512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107579446942 (or 107579446935 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

Adding to 131677243021512 its reverse (215120342776131), we get a palindrome (346797585797643).

The spelling of 131677243021512 in words is "one hundred thirty-one trillion, six hundred seventy-seven billion, two hundred forty-three million, twenty-one thousand, five hundred twelve".