13206516631 has 16 divisors (see below), whose sum is σ = 16477171200. Its totient is φ = 10283352480.

The previous prime is 13206516613. The next prime is 13206516641. The reversal of 13206516631 is 13661560231.

It is a cyclic number.

It is not a de Polignac number, because 13206516631 - 2¹³ = 13206508439 is a prime.

It is a super-2 number, since 2×13206516631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13206516641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46425 + ... + 169021.

It is an arithmetic number, because the mean of its divisors is an integer number (1029823200).

Almost surely, 2^13206516631 is an apocalyptic number.

13206516631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13206516631 is a deficient number, since it is larger than the sum of its proper divisors (3270654569).

13206516631 is a wasteful number, since it uses less digits than its factorization.

13206516631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124014.

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

The spelling of 13206516631 in words is "thirteen billion, two hundred six million, five hundred sixteen thousand, six hundred thirty-one".