312343142 has 16 divisors (see below), whose sum is σ = 507613392. Its totient is φ = 143566080.

The previous prime is 312343127. The next prime is 312343189. The reversal of 312343142 is 241343213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105359 + ... + 108282.

It is an arithmetic number, because the mean of its divisors is an integer number (31725837).

Almost surely, 2^312343142 is an apocalyptic number.

312343142 is a deficient number, since it is larger than the sum of its proper divisors (195270250).

312343142 is a wasteful number, since it uses less digits than its factorization.

312343142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213703.

The product of its digits is 1728, while the sum is 23.

The square root of 312343142 is about 17673.2323585698. The cubic root of 312343142 is about 678.4908443147.

Adding to 312343142 its reverse (241343213), we get a palindrome (553686355).

The spelling of 312343142 in words is "three hundred twelve million, three hundred forty-three thousand, one hundred forty-two".