1303210221330 has 32 divisors (see below), whose sum is σ = 3127788908928. Its totient is φ = 347513350400.

The previous prime is 1303210221323. The next prime is 1303210221343. The reversal of 1303210221330 is 331220123031.

It is a junction number, because it is equal to n+sod(n) for n = 1303210221297 and 1303210221306.

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 15 ways as a sum of consecutive naturals, for example, 582835 + ... + 1716425.

It is an arithmetic number, because the mean of its divisors is an integer number (97743403404).

Almost surely, 2^{1303210221330} is an apocalyptic number.

1303210221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1303210221330 is an abundant number, since it is smaller than the sum of its proper divisors (1824578687598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1303210221330 is a wasteful number, since it uses less digits than its factorization.

1303210221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171922.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1303210221330 its reverse (331220123031), we get a palindrome (1634430344361).

The spelling of 1303210221330 in words is "one trillion, three hundred three billion, two hundred ten million, two hundred twenty-one thousand, three hundred thirty".