1320031321310 has 16 divisors (see below), whose sum is σ = 2558829946176. Its totient is φ = 487396180128.

The previous prime is 1320031321291. The next prime is 1320031321351. The reversal of 1320031321310 is 131231300231.

It is a super-2 number, since 2×1320031321310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5077043414 + ... + 5077043673.

It is an arithmetic number, because the mean of its divisors is an integer number (159926871636).

Almost surely, 2^{1320031321310} is an apocalyptic number.

1320031321310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320031321310 is a deficient number, since it is larger than the sum of its proper divisors (1238798624866).

1320031321310 is a wasteful number, since it uses less digits than its factorization.

1320031321310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10154087107.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1320031321310 its reverse (131231300231), we get a palindrome (1451262621541).

The spelling of 1320031321310 in words is "one trillion, three hundred twenty billion, thirty-one million, three hundred twenty-one thousand, three hundred ten".