131103220252044 has 24 divisors (see below), whose sum is σ = 305938206235648. Its totient is φ = 43696688801040.

The previous prime is 131103220252033. The next prime is 131103220252061. The reversal of 131103220252044 is 440252022301131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547952452 + ... + 548191659.

Almost surely, 2^{131103220252044} is an apocalyptic number.

It is an amenable number.

131103220252044 is an abundant number, since it is smaller than the sum of its proper divisors (174834985983604).

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

131103220252044 is a wasteful number, since it uses less digits than its factorization.

131103220252044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096154085 (or 1096154083 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 131103220252044 its reverse (440252022301131), we get a palindrome (571355242553175).

The spelling of 131103220252044 in words is "one hundred thirty-one trillion, one hundred three billion, two hundred twenty million, two hundred fifty-two thousand, forty-four".