1320311303210 has 64 divisors (see below), whose sum is σ = 2611116345600. Its totient is φ = 478445501952.

The previous prime is 1320311303189. The next prime is 1320311303237. The reversal of 1320311303210 is 123031130231.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16903526 + ... + 16981454.

It is an arithmetic number, because the mean of its divisors is an integer number (40798692900).

Almost surely, 2^{1320311303210} is an apocalyptic number.

1320311303210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320311303210 is a deficient number, since it is larger than the sum of its proper divisors (1290805042390).

1320311303210 is a wasteful number, since it uses less digits than its factorization.

1320311303210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81855.

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

Adding to 1320311303210 its reverse (123031130231), we get a palindrome (1443342433441).

The spelling of 1320311303210 in words is "one trillion, three hundred twenty billion, three hundred eleven million, three hundred three thousand, two hundred ten".