131113330212 has 24 divisors (see below), whose sum is σ = 323927051616. Its totient is φ = 41133593728.

The previous prime is 131113330211. The next prime is 131113330219. The reversal of 131113330212 is 212033311131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (131113330211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321355998 + ... + 321356405.

It is an arithmetic number, because the mean of its divisors is an integer number (13496960484).

Almost surely, 2^131113330212 is an apocalyptic number.

131113330212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131113330212 is an abundant number, since it is smaller than the sum of its proper divisors (192813721404).

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

131113330212 is a wasteful number, since it uses less digits than its factorization.

131113330212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642712427 (or 642712425 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131113330212 its reverse (212033311131), we get a palindrome (343146641343).

The spelling of 131113330212 in words is "one hundred thirty-one billion, one hundred thirteen million, three hundred thirty thousand, two hundred twelve".