1031220333313 has 8 divisors (see below), whose sum is σ = 1050696513576. Its totient is φ = 1011744864000.

The previous prime is 1031220333307. The next prime is 1031220333317. The reversal of 1031220333313 is 3133330221301.

It can be written as a sum of positive squares in 4 ways, for example, as 391065123904 + 640155209409 = 625352^2 + 800097^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1031220333313 - 2⁵ = 1031220333281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031220333317) 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, 3438943 + ... + 3726763.

It is an arithmetic number, because the mean of its divisors is an integer number (131337064197).

Almost surely, 2^{1031220333313} is an apocalyptic number.

It is an amenable number.

1031220333313 is a deficient number, since it is larger than the sum of its proper divisors (19476180263).

1031220333313 is an equidigital number, since it uses as much as digits as its factorization.

1031220333313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355475.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1031220333313 its reverse (3133330221301), we get a palindrome (4164550554614).

The spelling of 1031220333313 in words is "one trillion, thirty-one billion, two hundred twenty million, three hundred thirty-three thousand, three hundred thirteen".