1003031131012 has 48 divisors (see below), whose sum is σ = 1896684174000. Its totient is φ = 462429057024.

The previous prime is 1003031131009. The next prime is 1003031131013. The reversal of 1003031131012 is 2101311303001.

It can be written as a sum of positive squares in 8 ways, for example, as 112529386116 + 890501744896 = 335454^2 + 943664^2 .

It is not an unprimeable number, because it can be changed into a prime (1003031131013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100587 + ... + 1419922.

It is an arithmetic number, because the mean of its divisors is an integer number (39514253625).

Almost surely, 2^{1003031131012} is an apocalyptic number.

It is an amenable number.

1003031131012 is a deficient number, since it is larger than the sum of its proper divisors (893653042988).

1003031131012 is a wasteful number, since it uses less digits than its factorization.

1003031131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520728 (or 1520726 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1003031131012 its reverse (2101311303001), we get a palindrome (3104342434013).

The spelling of 1003031131012 in words is "one trillion, three billion, thirty-one million, one hundred thirty-one thousand, twelve".