312133223030 has 16 divisors (see below), whose sum is σ = 591410317680. Its totient is φ = 118282063392.

The previous prime is 312133222997. The next prime is 312133223069. The reversal of 312133223030 is 30322331213.

It is a junction number, because it is equal to n+sod(n) for n = 312133222987 and 312133223005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821403029 + ... + 821403408.

It is an arithmetic number, because the mean of its divisors is an integer number (36963144855).

Almost surely, 2^312133223030 is an apocalyptic number.

312133223030 is a deficient number, since it is larger than the sum of its proper divisors (279277094650).

312133223030 is a wasteful number, since it uses less digits than its factorization.

312133223030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642806463.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 312133223030 its reverse (30322331213), we get a palindrome (342455554243).

The spelling of 312133223030 in words is "three hundred twelve billion, one hundred thirty-three million, two hundred twenty-three thousand, thirty".