131123210612044 has 24 divisors (see below), whose sum is σ = 263619439147008. Its totient is φ = 55901443564560.

The previous prime is 131123210611927. The next prime is 131123210612083. The reversal of 131123210612044 is 440216012321131.

It is a happy number.

It is a super-2 number, since 2×131123210612044² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131123210611997 and 131123210612015.

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, 12259083154 + ... + 12259093849.

It is an arithmetic number, because the mean of its divisors is an integer number (10984143297792).

Almost surely, 2^{131123210612044} is an apocalyptic number.

131123210612044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131123210612044 is an abundant number, since it is smaller than the sum of its proper divisors (132496228534964).

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

131123210612044 is a wasteful number, since it uses less digits than its factorization.

131123210612044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24518177205 (or 24518177203 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 131123210612044 its reverse (440216012321131), we get a palindrome (571339222933175).

The spelling of 131123210612044 in words is "one hundred thirty-one trillion, one hundred twenty-three billion, two hundred ten million, six hundred twelve thousand, forty-four".