1031330321013 has 8 divisors (see below), whose sum is σ = 1376005276576. Its totient is φ = 687104456400.

The previous prime is 1031330320913. The next prime is 1031330321027. The reversal of 1031330321013 is 3101230331301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1031330321013 - 2¹³ = 1031330312821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031330321093) 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 7 ways as a sum of consecutive naturals, for example, 112267378 + ... + 112276563.

It is an arithmetic number, because the mean of its divisors is an integer number (172000659572).

Almost surely, 2^{1031330321013} is an apocalyptic number.

It is an amenable number.

1031330321013 is a deficient number, since it is larger than the sum of its proper divisors (344674955563).

1031330321013 is a wasteful number, since it uses less digits than its factorization.

1031330321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224545475.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1031330321013 its reverse (3101230331301), we get a palindrome (4132560652314).

The spelling of 1031330321013 in words is "one trillion, thirty-one billion, three hundred thirty million, three hundred twenty-one thousand, thirteen".