312213302140332 has 24 divisors (see below), whose sum is σ = 771350511170736. Its totient is φ = 97949271259648.

The previous prime is 312213302140283. The next prime is 312213302140343. The reversal of 312213302140332 is 233041203312213.

It is a self number, because there is not a number n which added to its sum of digits gives 312213302140332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765228681513 + ... + 765228681920.

It is an arithmetic number, because the mean of its divisors is an integer number (32139604632114).

Almost surely, 2^{312213302140332} is an apocalyptic number.

It is an amenable number.

312213302140332 is an abundant number, since it is smaller than the sum of its proper divisors (459137209030404).

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

312213302140332 is a wasteful number, since it uses less digits than its factorization.

312213302140332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530457363457 (or 1530457363455 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 312213302140332 its reverse (233041203312213), we get a palindrome (545254505452545).

The spelling of 312213302140332 in words is "three hundred twelve trillion, two hundred thirteen billion, three hundred two million, one hundred forty thousand, three hundred thirty-two".