131030331143212 has 24 divisors (see below), whose sum is σ = 242791996497120. Its totient is φ = 61661205177600.

The previous prime is 131030331143177. The next prime is 131030331143227. The reversal of 131030331143212 is 212341133030131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36754462 + ... + 40161562.

It is an arithmetic number, because the mean of its divisors is an integer number (10116333187380).

Almost surely, 2^{131030331143212} is an apocalyptic number.

It is an amenable number.

131030331143212 is a deficient number, since it is larger than the sum of its proper divisors (111761665353908).

131030331143212 is a wasteful number, since it uses less digits than its factorization.

131030331143212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972681 (or 3972679 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 131030331143212 its reverse (212341133030131), we get a palindrome (343371464173343).

The spelling of 131030331143212 in words is "one hundred thirty-one trillion, thirty billion, three hundred thirty-one million, one hundred forty-three thousand, two hundred twelve".