312203120433430 has 16 divisors (see below), whose sum is σ = 573922332031680. Its totient is φ = 122224200339712.

The previous prime is 312203120433401. The next prime is 312203120433439. The reversal of 312203120433430 is 34334021302213.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 312203120433392 and 312203120433401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312203120433439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332130978715 + ... + 332130979654.

It is an arithmetic number, because the mean of its divisors is an integer number (35870145751980).

Almost surely, 2^{312203120433430} is an apocalyptic number.

312203120433430 is a deficient number, since it is larger than the sum of its proper divisors (261719211598250).

312203120433430 is a wasteful number, since it uses less digits than its factorization.

312203120433430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664261958423.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 312203120433430 its reverse (34334021302213), we get a palindrome (346537141735643).

The spelling of 312203120433430 in words is "three hundred twelve trillion, two hundred three billion, one hundred twenty million, four hundred thirty-three thousand, four hundred thirty".