1220323231003 has 2 divisors, whose sum is σ = 1220323231004. Its totient is φ = 1220323231002.

The previous prime is 1220323230983. The next prime is 1220323231031. The reversal of 1220323231003 is 3001323230221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220323231003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220323231703) by changing a digit.

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 as a sum of consecutive naturals, namely, 610161615501 + 610161615502.

It is an arithmetic number, because the mean of its divisors is an integer number (610161615502).

Almost surely, 2^{1220323231003} is an apocalyptic number.

1220323231003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220323231003 is an equidigital number, since it uses as much as digits as its factorization.

1220323231003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 1220323231003 its reverse (3001323230221), we get a palindrome (4221646461224).

The spelling of 1220323231003 in words is "one trillion, two hundred twenty billion, three hundred twenty-three million, two hundred thirty-one thousand, three".