312203103442 has 16 divisors (see below), whose sum is σ = 475913525472. Its totient is φ = 153580870080.

The previous prime is 312203103437. The next prime is 312203103451. The reversal of 312203103442 is 244301302213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3861948 + ... + 3941959.

It is an arithmetic number, because the mean of its divisors is an integer number (29744595342).

Almost surely, 2^312203103442 is an apocalyptic number.

312203103442 is a deficient number, since it is larger than the sum of its proper divisors (163710422030).

312203103442 is a wasteful number, since it uses less digits than its factorization.

312203103442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7804233.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 312203103442 its reverse (244301302213), we get a palindrome (556504405655).

The spelling of 312203103442 in words is "three hundred twelve billion, two hundred three million, one hundred three thousand, four hundred forty-two".