312143242231140 has 24 divisors (see below), whose sum is σ = 874001078247360. Its totient is φ = 83238197928288.

The previous prime is 312143242231133. The next prime is 312143242231159. The reversal of 312143242231140 is 41132242341213.

It is a super-3 number, since 3×312143242231140³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2601193685200 + ... + 2601193685319.

It is an arithmetic number, because the mean of its divisors is an integer number (36416711593640).

Almost surely, 2^{312143242231140} is an apocalyptic number.

312143242231140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312143242231140 is an abundant number, since it is smaller than the sum of its proper divisors (561857836016220).

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

312143242231140 is a wasteful number, since it uses less digits than its factorization.

312143242231140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202387370531 (or 5202387370529 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 312143242231140 its reverse (41132242341213), we get a palindrome (353275484572353).

The spelling of 312143242231140 in words is "three hundred twelve trillion, one hundred forty-three billion, two hundred forty-two million, two hundred thirty-one thousand, one hundred forty".