1031312143244 has 12 divisors (see below), whose sum is σ = 1807534944600. Its totient is φ = 514873587648.

The previous prime is 1031312143241. The next prime is 1031312143297. The reversal of 1031312143244 is 4423412131301.

It is not an unprimeable number, because it can be changed into a prime (1031312143241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195618029 + ... + 195623300.

It is an arithmetic number, because the mean of its divisors is an integer number (150627912050).

Almost surely, 2^{1031312143244} is an apocalyptic number.

It is an amenable number.

1031312143244 is a deficient number, since it is larger than the sum of its proper divisors (776222801356).

1031312143244 is a wasteful number, since it uses less digits than its factorization.

1031312143244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391241992 (or 391241990 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1031312143244 its reverse (4423412131301), we get a palindrome (5454724274545).

The spelling of 1031312143244 in words is "one trillion, thirty-one billion, three hundred twelve million, one hundred forty-three thousand, two hundred forty-four".