13722611731 has 2 divisors, whose sum is σ = 13722611732. Its totient is φ = 13722611730.

The previous prime is 13722611719. The next prime is 13722611797. The reversal of 13722611731 is 13711622731.

13722611731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13722611731 - 2⁷ = 13722611603 is a prime.

It is a super-2 number, since 2×13722611731² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13722612731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6861305865 + 6861305866.

It is an arithmetic number, because the mean of its divisors is an integer number (6861305866).

Almost surely, 2^13722611731 is an apocalyptic number.

13722611731 is a deficient number, since it is larger than the sum of its proper divisors (1).

13722611731 is an equidigital number, since it uses as much as digits as its factorization.

13722611731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 34.

The spelling of 13722611731 in words is "thirteen billion, seven hundred twenty-two million, six hundred eleven thousand, seven hundred thirty-one".