1003220231213 has 2 divisors, whose sum is σ = 1003220231214. Its totient is φ = 1003220231212.

The previous prime is 1003220231201. The next prime is 1003220231249. The reversal of 1003220231213 is 3121320223001.

1003220231213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 980074260169 + 23145971044 = 989987^2 + 152138^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003220231213 - 2²² = 1003216036909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003220231263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501610115606 + 501610115607.

It is an arithmetic number, because the mean of its divisors is an integer number (501610115607).

Almost surely, 2^{1003220231213} is an apocalyptic number.

It is an amenable number.

1003220231213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003220231213 is an equidigital number, since it uses as much as digits as its factorization.

1003220231213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1003220231213 its reverse (3121320223001), we get a palindrome (4124540454214).

The spelling of 1003220231213 in words is "one trillion, three billion, two hundred twenty million, two hundred thirty-one thousand, two hundred thirteen".