312244331023 has 4 divisors (see below), whose sum is σ = 317536607880. Its totient is φ = 306952054168.

The previous prime is 312244330997. The next prime is 312244331027. The reversal of 312244331023 is 320133442213.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312244331023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312244330982 and 312244331000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312244331027) 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, 2646138340 + ... + 2646138457.

It is an arithmetic number, because the mean of its divisors is an integer number (79384151970).

Almost surely, 2^312244331023 is an apocalyptic number.

312244331023 is a deficient number, since it is larger than the sum of its proper divisors (5292276857).

312244331023 is an equidigital number, since it uses as much as digits as its factorization.

312244331023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292276856.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 312244331023 its reverse (320133442213), we get a palindrome (632377773236).

The spelling of 312244331023 in words is "three hundred twelve billion, two hundred forty-four million, three hundred thirty-one thousand, twenty-three".