1311303220210 has 8 divisors (see below), whose sum is σ = 2360345796396. Its totient is φ = 524521288080.

The previous prime is 1311303220153. The next prime is 1311303220223. The reversal of 1311303220210 is 120223031131.

It can be written as a sum of positive squares in 2 ways, for example, as 1125892888561 + 185410331649 = 1061081^2 + 430593^2 .

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

It is a super-2 number, since 2×1311303220210² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65565161001 + ... + 65565161020.

Almost surely, 2^{1311303220210} is an apocalyptic number.

1311303220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311303220210 is a deficient number, since it is larger than the sum of its proper divisors (1049042576186).

1311303220210 is a wasteful number, since it uses less digits than its factorization.

1311303220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131130322028.

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

Adding to 1311303220210 its reverse (120223031131), we get a palindrome (1431526251341).

The spelling of 1311303220210 in words is "one trillion, three hundred eleven billion, three hundred three million, two hundred twenty thousand, two hundred ten".