312023231122 has 8 divisors (see below), whose sum is σ = 472668855372. Its totient is φ = 154466946000.

The previous prime is 312023231081. The next prime is 312023231129. The reversal of 312023231122 is 221132320213.

It can be written as a sum of positive squares in 2 ways, for example, as 254206547721 + 57816683401 = 504189^2 + 240451^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 312023231093 and 312023231102.

It is not an unprimeable number, because it can be changed into a prime (312023231129) 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, 772334529 + ... + 772334932.

Almost surely, 2^312023231122 is an apocalyptic number.

312023231122 is a deficient number, since it is larger than the sum of its proper divisors (160645624250).

312023231122 is a wasteful number, since it uses less digits than its factorization.

312023231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544669564.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312023231122 its reverse (221132320213), we get a palindrome (533155551335).

The spelling of 312023231122 in words is "three hundred twelve billion, twenty-three million, two hundred thirty-one thousand, one hundred twenty-two".