1000223320631 has 2 divisors, whose sum is σ = 1000223320632. Its totient is φ = 1000223320630.

The previous prime is 1000223320601. The next prime is 1000223320669. The reversal of 1000223320631 is 1360233220001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000223320631 - 2¹⁰ = 1000223319607 is a prime.

It is a super-2 number, since 2×1000223320631² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000223320597 and 1000223320606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000223320601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500111660315 + 500111660316.

It is an arithmetic number, because the mean of its divisors is an integer number (500111660316).

Almost surely, 2^{1000223320631} is an apocalyptic number.

1000223320631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000223320631 is an equidigital number, since it uses as much as digits as its factorization.

1000223320631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1000223320631 its reverse (1360233220001), we get a palindrome (2360456540632).

The spelling of 1000223320631 in words is "one trillion, two hundred twenty-three million, three hundred twenty thousand, six hundred thirty-one".