1312422431343 has 8 divisors (see below), whose sum is σ = 1825979035008. Its totient is φ = 836907057624.

The previous prime is 1312422431339. The next prime is 1312422431357. The reversal of 1312422431343 is 3431342242131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1312422431343 - 2² = 1312422431339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312422438343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9510307405 + ... + 9510307542.

It is an arithmetic number, because the mean of its divisors is an integer number (228247379376).

Almost surely, 2^{1312422431343} is an apocalyptic number.

1312422431343 is a deficient number, since it is larger than the sum of its proper divisors (513556603665).

1312422431343 is a wasteful number, since it uses less digits than its factorization.

1312422431343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19020614973.

The product of its digits is 41472, while the sum is 33.

Adding to 1312422431343 its reverse (3431342242131), we get a palindrome (4743764673474).

The spelling of 1312422431343 in words is "one trillion, three hundred twelve billion, four hundred twenty-two million, four hundred thirty-one thousand, three hundred forty-three".