131230312995918 has 16 divisors (see below), whose sum is σ = 262476434215296. Its totient is φ = 43740802961400.

The previous prime is 131230312995907. The next prime is 131230312995919. The reversal of 131230312995918 is 819599213032131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131230312995919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658568058 + ... + 658767293.

It is an arithmetic number, because the mean of its divisors is an integer number (16404777138456).

Almost surely, 2^{131230312995918} is an apocalyptic number.

131230312995918 is an abundant number, since it is smaller than the sum of its proper divisors (131246121219378).

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

131230312995918 is a wasteful number, since it uses less digits than its factorization.

131230312995918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317351959.

The product of its (nonzero) digits is 3149280, while the sum is 57.

The spelling of 131230312995918 in words is "one hundred thirty-one trillion, two hundred thirty billion, three hundred twelve million, nine hundred ninety-five thousand, nine hundred eighteen".