1031323445013 has 8 divisors (see below), whose sum is σ = 1395621776608. Its totient is φ = 677287038384.

The previous prime is 1031323445011. The next prime is 1031323445039. The reversal of 1031323445013 is 3105443231301.

It is a happy number.

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

It is not a de Polignac number, because 1031323445013 - 2¹ = 1031323445011 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 (1031323445011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2565481006 + ... + 2565481407.

It is an arithmetic number, because the mean of its divisors is an integer number (174452722076).

Almost surely, 2^{1031323445013} is an apocalyptic number.

It is an amenable number.

1031323445013 is a deficient number, since it is larger than the sum of its proper divisors (364298331595).

1031323445013 is an equidigital number, since it uses as much as digits as its factorization.

1031323445013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5130962483.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 1031323445013 its reverse (3105443231301), we get a palindrome (4136766676314).

The spelling of 1031323445013 in words is "one trillion, thirty-one billion, three hundred twenty-three million, four hundred forty-five thousand, thirteen".