131031323303212 has 6 divisors (see below), whose sum is σ = 229304815780628. Its totient is φ = 65515661651604.

The previous prime is 131031323303183. The next prime is 131031323303267. The reversal of 131031323303212 is 212303323130131.

It is a happy number.

It is a super-2 number, since 2×131031323303212² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16378915412898 + ... + 16378915412905.

Almost surely, 2^{131031323303212} is an apocalyptic number.

It is an amenable number.

131031323303212 is a deficient number, since it is larger than the sum of its proper divisors (98273492477416).

131031323303212 is a wasteful number, since it uses less digits than its factorization.

131031323303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32757830825807 (or 32757830825805 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 131031323303212 its reverse (212303323130131), we get a palindrome (343334646433343).

The spelling of 131031323303212 in words is "one hundred thirty-one trillion, thirty-one billion, three hundred twenty-three million, three hundred three thousand, two hundred twelve".