312103142 has 16 divisors (see below), whose sum is σ = 504502992. Its totient is φ = 143951520.

The previous prime is 312103091. The next prime is 312103151. The reversal of 312103142 is 241301213.

312103142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 312103142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48917 + ... + 54927.

It is an arithmetic number, because the mean of its divisors is an integer number (31531437).

Almost surely, 2^312103142 is an apocalyptic number.

312103142 is a deficient number, since it is larger than the sum of its proper divisors (192399850).

312103142 is a wasteful number, since it uses less digits than its factorization.

312103142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 312103142 is about 17666.4411243465. The cubic root of 312103142 is about 678.3170189008.

Adding to 312103142 its reverse (241301213), we get a palindrome (553404355).

The spelling of 312103142 in words is "three hundred twelve million, one hundred three thousand, one hundred forty-two".