2031130043444 has 6 divisors (see below), whose sum is σ = 3554477576034. Its totient is φ = 1015565021720.

The previous prime is 2031130043431. The next prime is 2031130043521. The reversal of 2031130043444 is 4443400311302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1515804192400 + 515325851044 = 1231180^2 + 717862^2 .

It is a super-2 number, since 2×2031130043444² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253891255427 + ... + 253891255434.

It is an arithmetic number, because the mean of its divisors is an integer number (592412929339).

Almost surely, 2^{2031130043444} is an apocalyptic number.

It is an amenable number.

2031130043444 is a deficient number, since it is larger than the sum of its proper divisors (1523347532590).

2031130043444 is a wasteful number, since it uses less digits than its factorization.

2031130043444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507782510865 (or 507782510863 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2031130043444 its reverse (4443400311302), we get a palindrome (6474530354746).

The spelling of 2031130043444 in words is "two trillion, thirty-one billion, one hundred thirty million, forty-three thousand, four hundred forty-four".