312224230213340 has 24 divisors (see below), whose sum is σ = 694239758945712. Its totient is φ = 117543239609600.

The previous prime is 312224230213261. The next prime is 312224230213387. The reversal of 312224230213340 is 43312032422213.

It is a junction number, because it is equal to n+sod(n) for n = 312224230213297 and 312224230213306.

It is a congruent number.

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, 459153279386 + ... + 459153280065.

It is an arithmetic number, because the mean of its divisors is an integer number (28926656622738).

Almost surely, 2^{312224230213340} is an apocalyptic number.

It is an amenable number.

312224230213340 is an abundant number, since it is smaller than the sum of its proper divisors (382015528732372).

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

312224230213340 is a wasteful number, since it uses less digits than its factorization.

312224230213340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918306559477 (or 918306559475 counting only the distinct ones).

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

Adding to 312224230213340 its reverse (43312032422213), we get a palindrome (355536262635553).

The spelling of 312224230213340 in words is "three hundred twelve trillion, two hundred twenty-four billion, two hundred thirty million, two hundred thirteen thousand, three hundred forty".