131123212143044 has 24 divisors (see below), whose sum is σ = 254429839364736. Its totient is φ = 58624386948000.

The previous prime is 131123212143023. The next prime is 131123212143047. The reversal of 131123212143044 is 440341212321131.

It is a self number, because there is not a number n which added to its sum of digits gives 131123212143044.

It is not an unprimeable number, because it can be changed into a prime (131123212143047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24426825212 + ... + 24426830579.

It is an arithmetic number, because the mean of its divisors is an integer number (10601243306864).

Almost surely, 2^{131123212143044} is an apocalyptic number.

It is an amenable number.

131123212143044 is a deficient number, since it is larger than the sum of its proper divisors (123306627221692).

131123212143044 is a wasteful number, since it uses less digits than its factorization.

131123212143044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48853655867 (or 48853655865 counting only the distinct ones).

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

Adding to 131123212143044 its reverse (440341212321131), we get a palindrome (571464424464175).

The spelling of 131123212143044 in words is "one hundred thirty-one trillion, one hundred twenty-three billion, two hundred twelve million, one hundred forty-three thousand, forty-four".