1130220031321 has 8 divisors (see below), whose sum is σ = 1160800907400. Its totient is φ = 1099640965248.

The previous prime is 1130220031319. The next prime is 1130220031331. The reversal of 1130220031321 is 1231300220311.

It can be written as a sum of positive squares in 4 ways, for example, as 354067841296 + 776152190025 = 595036^2 + 880995^2 .

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 1130220031321 - 2¹ = 1130220031319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130220031331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864405 + ... + 1734253.

It is an arithmetic number, because the mean of its divisors is an integer number (145100113425).

Almost surely, 2^{1130220031321} is an apocalyptic number.

It is an amenable number.

1130220031321 is a deficient number, since it is larger than the sum of its proper divisors (30580876079).

1130220031321 is an equidigital number, since it uses as much as digits as its factorization.

1130220031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905003.

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

Adding to 1130220031321 its reverse (1231300220311), we get a palindrome (2361520251632).

The spelling of 1130220031321 in words is "one trillion, one hundred thirty billion, two hundred twenty million, thirty-one thousand, three hundred twenty-one".