1012311330223 has 4 divisors (see below), whose sum is σ = 1012476396088. Its totient is φ = 1012146264360.

The previous prime is 1012311330187. The next prime is 1012311330259. The reversal of 1012311330223 is 3220331132101.

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

It is an interprime number because it is at equal distance from previous prime (1012311330187) and next prime (1012311330259).

It is a cyclic number.

It is not a de Polignac number, because 1012311330223 - 2²⁵ = 1012277775791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012311330194 and 1012311330203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012311310223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82523733 + ... + 82535998.

It is an arithmetic number, because the mean of its divisors is an integer number (253119099022).

Almost surely, 2^{1012311330223} is an apocalyptic number.

1012311330223 is a deficient number, since it is larger than the sum of its proper divisors (165065865).

1012311330223 is an equidigital number, since it uses as much as digits as its factorization.

1012311330223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165065864.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1012311330223 its reverse (3220331132101), we get a palindrome (4232642462324).

The spelling of 1012311330223 in words is "one trillion, twelve billion, three hundred eleven million, three hundred thirty thousand, two hundred twenty-three".