10513131105 has 8 divisors (see below), whose sum is σ = 16821009792. Its totient is φ = 5607003248.

The previous prime is 10513131067. The next prime is 10513131149. The reversal of 10513131105 is 50113131501.

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 10513131105 - 2¹⁰ = 10513130081 is a prime.

It is a super-2 number, since 2×10513131105² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350437689 + ... + 350437718.

It is an arithmetic number, because the mean of its divisors is an integer number (2102626224).

Almost surely, 2^10513131105 is an apocalyptic number.

10513131105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10513131105 is a deficient number, since it is larger than the sum of its proper divisors (6307878687).

10513131105 is an equidigital number, since it uses as much as digits as its factorization.

10513131105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700875415.

The product of its (nonzero) digits is 225, while the sum is 21.

Adding to 10513131105 its reverse (50113131501), we get a palindrome (60626262606).

The spelling of 10513131105 in words is "ten billion, five hundred thirteen million, one hundred thirty-one thousand, one hundred five".