131000120240244 has 48 divisors (see below), whose sum is σ = 306486830039040. Its totient is φ = 43549596851680.

The previous prime is 131000120240243. The next prime is 131000120240321. The reversal of 131000120240244 is 442042021000131.

It is a super-2 number, since 2×131000120240244² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000120240243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64068229 + ... + 66081299.

It is an arithmetic number, because the mean of its divisors is an integer number (6385142292480).

Almost surely, 2^{131000120240244} is an apocalyptic number.

It is an amenable number.

131000120240244 is an abundant number, since it is smaller than the sum of its proper divisors (175486709798796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131000120240244 is a wasteful number, since it uses less digits than its factorization.

131000120240244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027620 (or 2027618 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 131000120240244 its reverse (442042021000131), we get a palindrome (573042141240375).

The spelling of 131000120240244 in words is "one hundred thirty-one trillion, one hundred twenty million, two hundred forty thousand, two hundred forty-four".