131012211234344 has 64 divisors (see below), whose sum is σ = 271886093907840. Its totient is φ = 58684293365760.

The previous prime is 131012211234341. The next prime is 131012211234371. The reversal of 131012211234344 is 443432112210131.

It is a super-2 number, since 2×131012211234344² (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 131012211234344.

It is not an unprimeable number, because it can be changed into a prime (131012211234341) 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, 1437092 + ... + 16250835.

It is an arithmetic number, because the mean of its divisors is an integer number (4248220217310).

Almost surely, 2^{131012211234344} is an apocalyptic number.

It is an amenable number.

131012211234344 is an abundant number, since it is smaller than the sum of its proper divisors (140873882673496).

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

131012211234344 is a wasteful number, since it uses less digits than its factorization.

131012211234344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17689170 (or 17689166 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 131012211234344 its reverse (443432112210131), we get a palindrome (574444323444475).

The spelling of 131012211234344 in words is "one hundred thirty-one trillion, twelve billion, two hundred eleven million, two hundred thirty-four thousand, three hundred forty-four".