131077233919828 has 48 divisors (see below), whose sum is σ = 265886652129280. Its totient is φ = 55381095084384.

The previous prime is 131077233919787. The next prime is 131077233919847. The reversal of 131077233919828 is 828919332770131.

It is a self number, because there is not a number n which added to its sum of digits gives 131077233919828.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101262258 + ... + 102548521.

Almost surely, 2^{131077233919828} is an apocalyptic number.

It is an amenable number.

131077233919828 is an abundant number, since it is smaller than the sum of its proper divisors (134809418209452).

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

131077233919828 is a wasteful number, since it uses less digits than its factorization.

131077233919828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203811116 (or 203811114 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 64.

The spelling of 131077233919828 in words is "one hundred thirty-one trillion, seventy-seven billion, two hundred thirty-three million, nine hundred nineteen thousand, eight hundred twenty-eight".