131103220423044 has 24 divisors (see below), whose sum is σ = 323902073986848. Its totient is φ = 41130422093440.

The previous prime is 131103220423003. The next prime is 131103220423067. The reversal of 131103220423044 is 440324022301131.

It is a super-2 number, since 2×131103220423044² (a number of 29 digits) contains 22 as substring.

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, 321331422402 + ... + 321331422809.

It is an arithmetic number, because the mean of its divisors is an integer number (13495919749452).

Almost surely, 2^{131103220423044} is an apocalyptic number.

It is an amenable number.

131103220423044 is an abundant number, since it is smaller than the sum of its proper divisors (192798853563804).

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

131103220423044 is a wasteful number, since it uses less digits than its factorization.

131103220423044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642662845235 (or 642662845233 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 131103220423044 its reverse (440324022301131), we get a palindrome (571427242724175).

The spelling of 131103220423044 in words is "one hundred thirty-one trillion, one hundred three billion, two hundred twenty million, four hundred twenty-three thousand, forty-four".