130431244223444 has 24 divisors (see below), whose sum is σ = 228481019226600. Its totient is φ = 65150957781504.

The previous prime is 130431244223353. The next prime is 130431244223509. The reversal of 130431244223444 is 444322442134031.

It can be written as a sum of positive squares in 4 ways, for example, as 39626773200400 + 90804471023044 = 6294980^2 + 9529138^2 .

It is a super-2 number, since 2×130431244223444² (a number of 29 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 7 ways as a sum of consecutive naturals, for example, 111505922 + ... + 112669574.

It is an arithmetic number, because the mean of its divisors is an integer number (9520042467775).

Almost surely, 2^{130431244223444} is an apocalyptic number.

It is an amenable number.

130431244223444 is a deficient number, since it is larger than the sum of its proper divisors (98049775003156).

130431244223444 is a wasteful number, since it uses less digits than its factorization.

130431244223444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191419 (or 1191417 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 41.

Adding to 130431244223444 its reverse (444322442134031), we get a palindrome (574753686357475).

The spelling of 130431244223444 in words is "one hundred thirty trillion, four hundred thirty-one billion, two hundred forty-four million, two hundred twenty-three thousand, four hundred forty-four".