1303031322313 has 8 divisors (see below), whose sum is σ = 1489438274432. Its totient is φ = 1116689275296.

The previous prime is 1303031322223. The next prime is 1303031322323. The reversal of 1303031322313 is 3132231303031.

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

It is not a de Polignac number, because 1303031322313 - 2²¹ = 1303029225161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303031322323) 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, 16183245 + ... + 16263562.

It is an arithmetic number, because the mean of its divisors is an integer number (186179784304).

Almost surely, 2^{1303031322313} is an apocalyptic number.

It is an amenable number.

1303031322313 is a deficient number, since it is larger than the sum of its proper divisors (186406952119).

1303031322313 is an equidigital number, since it uses as much as digits as its factorization.

1303031322313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32452551.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1303031322313 its reverse (3132231303031), we get a palindrome (4435262625344).

The spelling of 1303031322313 in words is "one trillion, three hundred three billion, thirty-one million, three hundred twenty-two thousand, three hundred thirteen".