1001223310231 has 4 divisors (see below), whose sum is σ = 1001237568264. Its totient is φ = 1001209052200.

The previous prime is 1001223310223. The next prime is 1001223310237. The reversal of 1001223310231 is 1320133221001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001223310231 - 2³ = 1001223310223 is a prime.

It is a super-2 number, since 2×1001223310231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001223310199 and 1001223310208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001223310237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7023160 + ... + 7164301.

It is an arithmetic number, because the mean of its divisors is an integer number (250309392066).

Almost surely, 2^{1001223310231} is an apocalyptic number.

1001223310231 is a deficient number, since it is larger than the sum of its proper divisors (14258033).

1001223310231 is an equidigital number, since it uses as much as digits as its factorization.

1001223310231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14258032.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1001223310231 its reverse (1320133221001), we get a palindrome (2321356531232).

The spelling of 1001223310231 in words is "one trillion, one billion, two hundred twenty-three million, three hundred ten thousand, two hundred thirty-one".