131340242212 has 24 divisors (see below), whose sum is σ = 236282772600. Its totient is φ = 63834266880.

The previous prime is 131340242171. The next prime is 131340242237. The reversal of 131340242212 is 212242043131.

131340242212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 40387333156 + 90952909056 = 200966^2 + 301584^2 .

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, 267739 + ... + 578242.

It is an arithmetic number, because the mean of its divisors is an integer number (9845115525).

Almost surely, 2^131340242212 is an apocalyptic number.

It is an amenable number.

131340242212 is a deficient number, since it is larger than the sum of its proper divisors (104942530388).

131340242212 is a wasteful number, since it uses less digits than its factorization.

131340242212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847071 (or 847069 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 131340242212 its reverse (212242043131), we get a palindrome (343582285343).

The spelling of 131340242212 in words is "one hundred thirty-one billion, three hundred forty million, two hundred forty-two thousand, two hundred twelve".