1303431313343 has 8 divisors (see below), whose sum is σ = 1304931746016. Its totient is φ = 1301931685600.

The previous prime is 1303431313337. The next prime is 1303431313391. The reversal of 1303431313343 is 3433131343031.

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

It is a cyclic number.

It is not a de Polignac number, because 1303431313343 - 2²² = 1303427119039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303431313333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3069758 + ... + 3468468.

It is an arithmetic number, because the mean of its divisors is an integer number (163116468252).

Almost surely, 2^{1303431313343} is an apocalyptic number.

1303431313343 is a deficient number, since it is larger than the sum of its proper divisors (1500432673).

1303431313343 is a wasteful number, since it uses less digits than its factorization.

1303431313343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402465.

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 1303431313343 its reverse (3433131343031), we get a palindrome (4736562656374).

The spelling of 1303431313343 in words is "one trillion, three hundred three billion, four hundred thirty-one million, three hundred thirteen thousand, three hundred forty-three".