1323221031030 has 32 divisors (see below), whose sum is σ = 3220459077888. Its totient is φ = 347889096800.

The previous prime is 1323221031001. The next prime is 1323221031043. The reversal of 1323221031030 is 301301223231.

It is a junction number, because it is equal to n+sod(n) for n = 1323221030988 and 1323221031006.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 310613136 + ... + 310617395.

It is an arithmetic number, because the mean of its divisors is an integer number (100639346184).

Almost surely, 2^{1323221031030} is an apocalyptic number.

1323221031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323221031030 is an abundant number, since it is smaller than the sum of its proper divisors (1897238046858).

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

1323221031030 is a wasteful number, since it uses less digits than its factorization.

1323221031030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621230612.

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

Adding to 1323221031030 its reverse (301301223231), we get a palindrome (1624522254261).

The spelling of 1323221031030 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-one million, thirty-one thousand, thirty".