1031020302313 has 4 divisors (see below), whose sum is σ = 1031072634180. Its totient is φ = 1030967970448.

The previous prime is 1031020302271. The next prime is 1031020302317. The reversal of 1031020302313 is 3132030201301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 796534830144 + 234485472169 = 892488^2 + 484237^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031020302313 - 2²⁹ = 1030483431401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031020302317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26136370 + ... + 26175787.

It is an arithmetic number, because the mean of its divisors is an integer number (257768158545).

Almost surely, 2^{1031020302313} is an apocalyptic number.

It is an amenable number.

1031020302313 is a deficient number, since it is larger than the sum of its proper divisors (52331867).

1031020302313 is an equidigital number, since it uses as much as digits as its factorization.

1031020302313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52331866.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1031020302313 its reverse (3132030201301), we get a palindrome (4163050503614).

The spelling of 1031020302313 in words is "one trillion, thirty-one billion, twenty million, three hundred two thousand, three hundred thirteen".