10313312325521 has 8 divisors (see below), whose sum is σ = 11098993786344. Its totient is φ = 9547521534720.

The previous prime is 10313312325509. The next prime is 10313312325527. The reversal of 10313312325521 is 12552321331301.

It can be written as a sum of positive squares in 4 ways, for example, as 2895119265025 + 7418193060496 = 1701505^2 + 2723636^2 .

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 10313312325521 - 2⁶ = 10313312325457 is a prime.

It is a super-2 number, since 2×10313312325521² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10313312325527) 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, 4972666430 + ... + 4972668503.

It is an arithmetic number, because the mean of its divisors is an integer number (1387374223293).

Almost surely, 2^{10313312325521} is an apocalyptic number.

It is an amenable number.

10313312325521 is a deficient number, since it is larger than the sum of its proper divisors (785681460823).

10313312325521 is an equidigital number, since it uses as much as digits as its factorization.

10313312325521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9945335011.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 10313312325521 its reverse (12552321331301), we get a palindrome (22865633656822).

The spelling of 10313312325521 in words is "ten trillion, three hundred thirteen billion, three hundred twelve million, three hundred twenty-five thousand, five hundred twenty-one".