312343143 has 16 divisors (see below), whose sum is σ = 476985600. Its totient is φ = 178094016.

The previous prime is 312343127. The next prime is 312343189. The reversal of 312343143 is 341343213.

It is not a de Polignac number, because 312343143 - 2⁴ = 312343127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312343103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6118 + ... + 25731.

It is an arithmetic number, because the mean of its divisors is an integer number (29811600).

Almost surely, 2^312343143 is an apocalyptic number.

312343143 is a deficient number, since it is larger than the sum of its proper divisors (164642457).

312343143 is a wasteful number, since it uses less digits than its factorization.

312343143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32326.

The product of its digits is 2592, while the sum is 24.

The square root of 312343143 is about 17673.2323868612. The cubic root of 312343143 is about 678.4908450388.

Adding to 312343143 its reverse (341343213), we get a palindrome (653686356).

The spelling of 312343143 in words is "three hundred twelve million, three hundred forty-three thousand, one hundred forty-three".