312343233031042 has 4 divisors (see below), whose sum is σ = 468514849546566. Its totient is φ = 156171616515520.

The previous prime is 312343233030973. The next prime is 312343233031139. The reversal of 312343233031042 is 240130332343213.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 206231169284001 + 106112063747041 = 14360751^2 + 10301071^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312343233030989 and 312343233031007.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 78085808257759 + ... + 78085808257762.

Almost surely, 2^{312343233031042} is an apocalyptic number.

312343233031042 is a deficient number, since it is larger than the sum of its proper divisors (156171616515524).

312343233031042 is a wasteful number, since it uses less digits than its factorization.

312343233031042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156171616515523.

The product of its (nonzero) digits is 93312, while the sum is 34.

Adding to 312343233031042 its reverse (240130332343213), we get a palindrome (552473565374255).

The spelling of 312343233031042 in words is "three hundred twelve trillion, three hundred forty-three billion, two hundred thirty-three million, thirty-one thousand, forty-two".