131311413244 has 24 divisors (see below), whose sum is σ = 250705099008. Its totient is φ = 59682321840.

The previous prime is 131311413239. The next prime is 131311413251. The reversal of 131311413244 is 442314113131.

It is a congruent number.

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, 484669 + ... + 705355.

It is an arithmetic number, because the mean of its divisors is an integer number (10446045792).

Almost surely, 2^131311413244 is an apocalyptic number.

It is an amenable number.

131311413244 is a deficient number, since it is larger than the sum of its proper divisors (119393685764).

131311413244 is a wasteful number, since it uses less digits than its factorization.

131311413244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234225 (or 234223 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

Adding to 131311413244 its reverse (442314113131), we get a palindrome (573625526375).

The spelling of 131311413244 in words is "one hundred thirty-one billion, three hundred eleven million, four hundred thirteen thousand, two hundred forty-four".