1312001302343 has 2 divisors, whose sum is σ = 1312001302344. Its totient is φ = 1312001302342.

The previous prime is 1312001302333. The next prime is 1312001302399. The reversal of 1312001302343 is 3432031002131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312001302343 - 2³⁶ = 1243281825607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312001302303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656000651171 + 656000651172.

It is an arithmetic number, because the mean of its divisors is an integer number (656000651172).

Almost surely, 2^{1312001302343} is an apocalyptic number.

1312001302343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312001302343 is an equidigital number, since it uses as much as digits as its factorization.

1312001302343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1312001302343 its reverse (3432031002131), we get a palindrome (4744032304474).

The spelling of 1312001302343 in words is "one trillion, three hundred twelve billion, one million, three hundred two thousand, three hundred forty-three".