1031211301223 has 8 divisors (see below), whose sum is σ = 1067908835280. Its totient is φ = 994589668800.

The previous prime is 1031211301199. The next prime is 1031211301231. The reversal of 1031211301223 is 3221031121301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1031211301223 - 2⁸ = 1031211300967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031211301195 and 1031211301204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031211301823) 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 7 ways as a sum of consecutive naturals, for example, 18947753 + ... + 19002098.

It is an arithmetic number, because the mean of its divisors is an integer number (133488604410).

Almost surely, 2^{1031211301223} is an apocalyptic number.

1031211301223 is a deficient number, since it is larger than the sum of its proper divisors (36697534057).

1031211301223 is an equidigital number, since it uses as much as digits as its factorization.

1031211301223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37950817.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1031211301223 its reverse (3221031121301), we get a palindrome (4252242422524).

The spelling of 1031211301223 in words is "one trillion, thirty-one billion, two hundred eleven million, three hundred one thousand, two hundred twenty-three".