1312103404342 has 16 divisors (see below), whose sum is σ = 1971517495680. Its totient is φ = 654931038528.

The previous prime is 1312103404321. The next prime is 1312103404357. The reversal of 1312103404342 is 2434043012131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312103404342.

It is a congruent number.

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, 39060658 + ... + 39094234.

It is an arithmetic number, because the mean of its divisors is an integer number (123219843480).

Almost surely, 2^{1312103404342} is an apocalyptic number.

1312103404342 is a deficient number, since it is larger than the sum of its proper divisors (659414091338).

1312103404342 is a wasteful number, since it uses less digits than its factorization.

1312103404342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66375.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1312103404342 its reverse (2434043012131), we get a palindrome (3746146416473).

The spelling of 1312103404342 in words is "one trillion, three hundred twelve billion, one hundred three million, four hundred four thousand, three hundred forty-two".