312343132334140 has 24 divisors (see below), whose sum is σ = 694504141308432. Its totient is φ = 117588002760960.

The previous prime is 312343132334119. The next prime is 312343132334141. The reversal of 312343132334140 is 41433231343213.

It is a self number, because there is not a number n which added to its sum of digits gives 312343132334140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312343132334141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459328135446 + ... + 459328136125.

It is an arithmetic number, because the mean of its divisors is an integer number (28937672554518).

Almost surely, 2^{312343132334140} is an apocalyptic number.

It is an amenable number.

312343132334140 is an abundant number, since it is smaller than the sum of its proper divisors (382161008974292).

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

312343132334140 is a wasteful number, since it uses less digits than its factorization.

312343132334140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918656271597 (or 918656271595 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 37.

Adding to 312343132334140 its reverse (41433231343213), we get a palindrome (353776363677353).

The spelling of 312343132334140 in words is "three hundred twelve trillion, three hundred forty-three billion, one hundred thirty-two million, three hundred thirty-four thousand, one hundred forty".