1031321321002 has 48 divisors (see below), whose sum is σ = 1816525387080. Its totient is φ = 437830106112.

The previous prime is 1031321320921. The next prime is 1031321321059. The reversal of 1031321321002 is 2001231231301.

It can be written as a sum of positive squares in 4 ways, for example, as 919050086241 + 112271234761 = 958671^2 + 335069^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19785358 + ... + 19837414.

Almost surely, 2^{1031321321002} is an apocalyptic number.

1031321321002 is a deficient number, since it is larger than the sum of its proper divisors (785204066078).

1031321321002 is a wasteful number, since it uses less digits than its factorization.

1031321321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53975 (or 53968 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1031321321002 its reverse (2001231231301), we get a palindrome (3032552552303).

The spelling of 1031321321002 in words is "one trillion, thirty-one billion, three hundred twenty-one million, three hundred twenty-one thousand, two".