131500352212 has 12 divisors (see below), whose sum is σ = 243662417460. Its totient is φ = 61882518656.

The previous prime is 131500352189. The next prime is 131500352231. The reversal of 131500352212 is 212253005131.

It can be written as a sum of positive squares in 2 ways, for example, as 115066137796 + 16434214416 = 339214^2 + 128196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966914287 + ... + 966914422.

It is an arithmetic number, because the mean of its divisors is an integer number (20305201455).

Almost surely, 2^131500352212 is an apocalyptic number.

It is an amenable number.

131500352212 is a deficient number, since it is larger than the sum of its proper divisors (112162065248).

131500352212 is a wasteful number, since it uses less digits than its factorization.

131500352212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933828730 (or 1933828728 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 131500352212 its reverse (212253005131), we get a palindrome (343753357343).

The spelling of 131500352212 in words is "one hundred thirty-one billion, five hundred million, three hundred fifty-two thousand, two hundred twelve".