312203206634 has 16 divisors (see below), whose sum is σ = 510901425216. Its totient is φ = 141904034400.

The previous prime is 312203206621. The next prime is 312203206703. The reversal of 312203206634 is 436602302213.

It is a self number, because there is not a number n which added to its sum of digits gives 312203206634.

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, 182054 + ... + 810894.

It is an arithmetic number, because the mean of its divisors is an integer number (31931339076).

Almost surely, 2^312203206634 is an apocalyptic number.

312203206634 is a deficient number, since it is larger than the sum of its proper divisors (198698218582).

312203206634 is a wasteful number, since it uses less digits than its factorization.

312203206634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651421.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 312203206634 its reverse (436602302213), we get a palindrome (748805508847).

The spelling of 312203206634 in words is "three hundred twelve billion, two hundred three million, two hundred six thousand, six hundred thirty-four".