1003221350231 has 2 divisors, whose sum is σ = 1003221350232. Its totient is φ = 1003221350230.

The previous prime is 1003221350203. The next prime is 1003221350321. The reversal of 1003221350231 is 1320531223001.

Together with next prime (1003221350321) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1003221350231 - 2¹⁸ = 1003221088087 is a prime.

It is a super-2 number, since 2×1003221350231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1003221350197 and 1003221350206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003221353231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501610675115 + 501610675116.

It is an arithmetic number, because the mean of its divisors is an integer number (501610675116).

Almost surely, 2^{1003221350231} is an apocalyptic number.

1003221350231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003221350231 is an equidigital number, since it uses as much as digits as its factorization.

1003221350231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 1003221350231 its reverse (1320531223001), we get a palindrome (2323752573232).

The spelling of 1003221350231 in words is "one trillion, three billion, two hundred twenty-one million, three hundred fifty thousand, two hundred thirty-one".