1312343200342 has 4 divisors (see below), whose sum is σ = 1968514800516. Its totient is φ = 656171600170.

The previous prime is 1312343200321. The next prime is 1312343200349. The reversal of 1312343200342 is 2430023432131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1312343200342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312343200349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328085800084 + ... + 328085800087.

It is an arithmetic number, because the mean of its divisors is an integer number (492128700129).

Almost surely, 2^{1312343200342} is an apocalyptic number.

1312343200342 is a deficient number, since it is larger than the sum of its proper divisors (656171600174).

1312343200342 is an equidigital number, since it uses as much as digits as its factorization.

1312343200342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656171600173.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1312343200342 its reverse (2430023432131), we get a palindrome (3742366632473).

The spelling of 1312343200342 in words is "one trillion, three hundred twelve billion, three hundred forty-three million, two hundred thousand, three hundred forty-two".