131042223444 has 48 divisors (see below), whose sum is σ = 333670357440. Its totient is φ = 39696867840.

The previous prime is 131042223419. The next prime is 131042223497. The reversal of 131042223444 is 444322240131.

It is a super-2 number, since 2×131042223444² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250732 + ... + 570044.

It is an arithmetic number, because the mean of its divisors is an integer number (6951465780).

Almost surely, 2^131042223444 is an apocalyptic number.

It is an amenable number.

131042223444 is an abundant number, since it is smaller than the sum of its proper divisors (202628133996).

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

131042223444 is a wasteful number, since it uses less digits than its factorization.

131042223444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322440 (or 322438 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 131042223444 its reverse (444322240131), we get a palindrome (575364463575).

The spelling of 131042223444 in words is "one hundred thirty-one billion, forty-two million, two hundred twenty-three thousand, four hundred forty-four".