312231032223 has 16 divisors (see below), whose sum is σ = 454171276800. Its totient is φ = 189223825280.

The previous prime is 312231032143. The next prime is 312231032231. The reversal of 312231032223 is 322230132213.

It is a cyclic number.

It is not a de Polignac number, because 312231032223 - 2⁸ = 312231031967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312231032193 and 312231032202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312231032263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794218 + ... + 1120376.

It is an arithmetic number, because the mean of its divisors is an integer number (28385704800).

Almost surely, 2^312231032223 is an apocalyptic number.

312231032223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

312231032223 is a deficient number, since it is larger than the sum of its proper divisors (141940244577).

312231032223 is a wasteful number, since it uses less digits than its factorization.

312231032223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355182.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 312231032223 its reverse (322230132213), we get a palindrome (634461164436).

The spelling of 312231032223 in words is "three hundred twelve billion, two hundred thirty-one million, thirty-two thousand, two hundred twenty-three".