312202213324340 has 48 divisors (see below), whose sum is σ = 661761751089600. Its totient is φ = 123711947772672.

The previous prime is 312202213324327. The next prime is 312202213324411. The reversal of 312202213324340 is 43423312202213.

It is a junction number, because it is equal to n+sod(n) for n = 312202213324297 and 312202213324306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148777331 + ... + 150861189.

It is an arithmetic number, because the mean of its divisors is an integer number (13786703147700).

Almost surely, 2^{312202213324340} is an apocalyptic number.

It is an amenable number.

312202213324340 is an abundant number, since it is smaller than the sum of its proper divisors (349559537765260).

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

312202213324340 is a wasteful number, since it uses less digits than its factorization.

312202213324340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153984 (or 2153982 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 312202213324340 its reverse (43423312202213), we get a palindrome (355625525526553).

The spelling of 312202213324340 in words is "three hundred twelve trillion, two hundred two billion, two hundred thirteen million, three hundred twenty-four thousand, three hundred forty".