9313318443529 has 3 divisors (see below), whose sum is σ = 9313321495303. Its totient is φ = 9313315391756.

The previous prime is 9313318443523. The next prime is 9313318443577. The reversal of 9313318443529 is 9253448133139.

The square root of 9313318443529 is 3051773.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 8090639804025 + 1222678639504 = 2844405^2 + 1105748^2 .

It is not a de Polignac number, because 9313318443529 - 2¹¹ = 9313318441481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9313318443529.

It is not an unprimeable number, because it can be changed into a prime (9313318443523) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1525887 + ... + 4577659.

Almost surely, 2^{9313318443529} is an apocalyptic number.

9313318443529 is the 3051773-rd square number.

9313318443529 is the 1525887-th centered octagonal number.

It is an amenable number.

9313318443529 is a deficient number, since it is larger than the sum of its proper divisors (3051774).

9313318443529 is an frugal number, since it uses more digits than its factorization.

9313318443529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6103546 (or 3051773 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 55.

The spelling of 9313318443529 in words is "nine trillion, three hundred thirteen billion, three hundred eighteen million, four hundred forty-three thousand, five hundred twenty-nine".