13531122029 has 2 divisors, whose sum is σ = 13531122030. Its totient is φ = 13531122028.

The previous prime is 13531121999. The next prime is 13531122049. The reversal of 13531122029 is 92022113531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10670476804 + 2860645225 = 103298^2 + 53485^2 .

It is a cyclic number.

It is not a de Polignac number, because 13531122029 - 2²⁸ = 13262686573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13531121992 and 13531122010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531122049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765561014 + 6765561015.

It is an arithmetic number, because the mean of its divisors is an integer number (6765561015).

Almost surely, 2^13531122029 is an apocalyptic number.

It is an amenable number.

13531122029 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531122029 is an equidigital number, since it uses as much as digits as its factorization.

13531122029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 13531122029 in words is "thirteen billion, five hundred thirty-one million, one hundred twenty-two thousand, twenty-nine".