7161531029 has 2 divisors, whose sum is σ = 7161531030. Its totient is φ = 7161531028.

The previous prime is 7161531011. The next prime is 7161531071. The reversal of 7161531029 is 9201351617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6851700625 + 309830404 = 82775^2 + 17602^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7161531029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7161531029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7161530029) 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, 3580765514 + 3580765515.

It is an arithmetic number, because the mean of its divisors is an integer number (3580765515).

Almost surely, 2^7161531029 is an apocalyptic number.

It is an amenable number.

7161531029 is a deficient number, since it is larger than the sum of its proper divisors (1).

7161531029 is an equidigital number, since it uses as much as digits as its factorization.

7161531029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 7161531029 is about 84625.8295616652. The cubic root of 7161531029 is about 1927.5336092199.

The spelling of 7161531029 in words is "seven billion, one hundred sixty-one million, five hundred thirty-one thousand, twenty-nine".