10015321013 has 8 divisors (see below), whose sum is σ = 10556163000. Its totient is φ = 9487511488.

The previous prime is 10015321009. The next prime is 10015321087. The reversal of 10015321013 is 31012351001.

It can be written as a sum of positive squares in 4 ways, for example, as 2939483089 + 7075837924 = 54217^2 + 84118^2 .

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 10015321013 - 2² = 10015321009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10015320982 and 10015321000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10015321003) 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, 3256538 + ... + 3259611.

It is an arithmetic number, because the mean of its divisors is an integer number (1319520375).

Almost surely, 2^10015321013 is an apocalyptic number.

It is an amenable number.

10015321013 is a deficient number, since it is larger than the sum of its proper divisors (540841987).

10015321013 is an equidigital number, since it uses as much as digits as its factorization.

10015321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6516231.

The product of its (nonzero) digits is 90, while the sum is 17.

Adding to 10015321013 its reverse (31012351001), we get a palindrome (41027672014).

The spelling of 10015321013 in words is "ten billion, fifteen million, three hundred twenty-one thousand, thirteen".