13531124071 has 2 divisors, whose sum is σ = 13531124072. Its totient is φ = 13531124070.

The previous prime is 13531124069. The next prime is 13531124081. The reversal of 13531124071 is 17042113531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13531124071 - 2¹ = 13531124069 is a prime.

It is a super-2 number, since 2×13531124071² (a number of 21 digits) contains 22 as substring.

Together with 13531124069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531124051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765562035 + 6765562036.

It is an arithmetic number, because the mean of its divisors is an integer number (6765562036).

Almost surely, 2^13531124071 is an apocalyptic number.

13531124071 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531124071 is an equidigital number, since it uses as much as digits as its factorization.

13531124071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 13531124071 in words is "thirteen billion, five hundred thirty-one million, one hundred twenty-four thousand, seventy-one".