312000213323330 has 64 divisors (see below), whose sum is σ = 673762547957760. Its totient is φ = 101766218097600.

The previous prime is 312000213323233. The next prime is 312000213323339. The reversal of 312000213323330 is 33323312000213.

It is a happy number.

It is a super-2 number, since 2×312000213323330² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312000213323330.

It is not an unprimeable number, because it can be changed into a prime (312000213323339) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 1218337226 + ... + 1218593285.

It is an arithmetic number, because the mean of its divisors is an integer number (10527539811840).

Almost surely, 2^{312000213323330} is an apocalyptic number.

312000213323330 is an abundant number, since it is smaller than the sum of its proper divisors (361762334634430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312000213323330 is a wasteful number, since it uses less digits than its factorization.

312000213323330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436930615.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 312000213323330 its reverse (33323312000213), we get a palindrome (345323525323543).

The spelling of 312000213323330 in words is "three hundred twelve trillion, two hundred thirteen million, three hundred twenty-three thousand, three hundred thirty".