131038184820 has 48 divisors (see below), whose sum is σ = 378742629888. Its totient is φ = 33816305280.

The previous prime is 131038184807. The next prime is 131038184863. The reversal of 131038184820 is 28481830131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35223459 + ... + 35227178.

It is an arithmetic number, because the mean of its divisors is an integer number (7890471456).

Almost surely, 2^131038184820 is an apocalyptic number.

131038184820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131038184820 is an abundant number, since it is smaller than the sum of its proper divisors (247704445068).

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

131038184820 is a wasteful number, since it uses less digits than its factorization.

131038184820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70450680 (or 70450678 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The spelling of 131038184820 in words is "one hundred thirty-one billion, thirty-eight million, one hundred eighty-four thousand, eight hundred twenty".