131302302212 has 12 divisors (see below), whose sum is σ = 243295442460. Its totient is φ = 61789318656.

The previous prime is 131302302169. The next prime is 131302302217. The reversal of 131302302212 is 212203203131.

It can be written as a sum of positive squares in 2 ways, for example, as 90556457476 + 40745844736 = 300926^2 + 201856^2 .

It is not an unprimeable number, because it can be changed into a prime (131302302217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965458037 + ... + 965458172.

It is an arithmetic number, because the mean of its divisors is an integer number (20274620205).

Almost surely, 2^131302302212 is an apocalyptic number.

It is an amenable number.

131302302212 is a deficient number, since it is larger than the sum of its proper divisors (111993140248).

131302302212 is a wasteful number, since it uses less digits than its factorization.

131302302212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930916230 (or 1930916228 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 131302302212 its reverse (212203203131), we get a palindrome (343505505343).

The spelling of 131302302212 in words is "one hundred thirty-one billion, three hundred two million, three hundred two thousand, two hundred twelve".