131000103212312 has 16 divisors (see below), whose sum is σ = 245643370680840. Its totient is φ = 65495204364096.

The previous prime is 131000103212281. The next prime is 131000103212323. The reversal of 131000103212312 is 213212301000131.

It is a happy number.

It is a super-2 number, since 2×131000103212312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 605790398 + ... + 606006605.

Almost surely, 2^{131000103212312} is an apocalyptic number.

It is an amenable number.

131000103212312 is a deficient number, since it is larger than the sum of its proper divisors (114643267468528).

131000103212312 is a wasteful number, since it uses less digits than its factorization.

131000103212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211810522 (or 1211810518 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131000103212312 its reverse (213212301000131), we get a palindrome (344212404212443).

The spelling of 131000103212312 in words is "one hundred thirty-one trillion, one hundred three million, two hundred twelve thousand, three hundred twelve".