131452212244 has 12 divisors (see below), whose sum is σ = 230044670100. Its totient is φ = 65725163648.

The previous prime is 131452212191. The next prime is 131452212259. The reversal of 131452212244 is 442212254131.

It can be written as a sum of positive squares in 2 ways, for example, as 64002928144 + 67449284100 = 252988^2 + 259710^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147372 + ... + 533500.

It is an arithmetic number, because the mean of its divisors is an integer number (19170389175).

Almost surely, 2^131452212244 is an apocalyptic number.

It is an amenable number.

131452212244 is a deficient number, since it is larger than the sum of its proper divisors (98592457856).

131452212244 is a wasteful number, since it uses less digits than its factorization.

131452212244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471242 (or 471240 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

Adding to 131452212244 its reverse (442212254131), we get a palindrome (573664466375).

The spelling of 131452212244 in words is "one hundred thirty-one billion, four hundred fifty-two million, two hundred twelve thousand, two hundred forty-four".