131012224204244 has 24 divisors (see below), whose sum is σ = 241339792777440. Its totient is φ = 62058040125984.

The previous prime is 131012224204237. The next prime is 131012224204297. The reversal of 131012224204244 is 442402422210131.

It is a super-2 number, since 2×131012224204244² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131012224204244.

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, 7325162 + ... + 17767454.

It is an arithmetic number, because the mean of its divisors is an integer number (10055824699060).

Almost surely, 2^{131012224204244} is an apocalyptic number.

It is an amenable number.

131012224204244 is a deficient number, since it is larger than the sum of its proper divisors (110327568573196).

131012224204244 is a wasteful number, since it uses less digits than its factorization.

131012224204244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10607399 (or 10607397 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 131012224204244 its reverse (442402422210131), we get a palindrome (573414646414375).

The spelling of 131012224204244 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-four million, two hundred four thousand, two hundred forty-four".