10203656106013 has 8 divisors (see below), whose sum is σ = 10401006729528. Its totient is φ = 10006484327424.

The previous prime is 10203656105999. The next prime is 10203656106041. The reversal of 10203656106013 is 31060165630201.

It can be written as a sum of positive squares in 4 ways, for example, as 55271069604 + 10148385036409 = 235098^2 + 3185653^2 .

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 10203656106013 - 2⁹ = 10203656105501 is a prime.

It is a super-2 number, since 2×10203656106013² (a number of 27 digits) contains 22 as substring.

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 10203656106013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203656103013) 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, 44596020 + ... + 44824237.

It is an arithmetic number, because the mean of its divisors is an integer number (1300125841191).

Almost surely, 2^{10203656106013} is an apocalyptic number.

It is an amenable number.

10203656106013 is a deficient number, since it is larger than the sum of its proper divisors (197350623515).

10203656106013 is an equidigital number, since it uses as much as digits as its factorization.

10203656106013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89422463.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 10203656106013 in words is "ten trillion, two hundred three billion, six hundred fifty-six million, one hundred six thousand, thirteen".