131403434331212 has 12 divisors (see below), whose sum is σ = 231478897564656. Its totient is φ = 65266606455600.

The previous prime is 131403434331203. The next prime is 131403434331229. The reversal of 131403434331212 is 212133434304131.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 108777676823 + ... + 108777678030.

It is an arithmetic number, because the mean of its divisors is an integer number (19289908130388).

Almost surely, 2^{131403434331212} is an apocalyptic number.

It is an amenable number.

131403434331212 is a deficient number, since it is larger than the sum of its proper divisors (100075463233444).

131403434331212 is a wasteful number, since it uses less digits than its factorization.

131403434331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217555355008 (or 217555355006 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 131403434331212 its reverse (212133434304131), we get a palindrome (343536868635343).

The spelling of 131403434331212 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred thirty-four million, three hundred thirty-one thousand, two hundred twelve".