7131217141 has 2 divisors, whose sum is σ = 7131217142. Its totient is φ = 7131217140.

The previous prime is 7131217127. The next prime is 7131217213. The reversal of 7131217141 is 1417121317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7128424900 + 2792241 = 84430^2 + 1671^2 .

It is a cyclic number.

It is not a de Polignac number, because 7131217141 - 2¹⁵ = 7131184373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7131214141) 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 as a sum of consecutive naturals, namely, 3565608570 + 3565608571.

It is an arithmetic number, because the mean of its divisors is an integer number (3565608571).

Almost surely, 2^7131217141 is an apocalyptic number.

It is an amenable number.

7131217141 is a deficient number, since it is larger than the sum of its proper divisors (1).

7131217141 is an equidigital number, since it uses as much as digits as its factorization.

7131217141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176, while the sum is 28.

The square root of 7131217141 is about 84446.5342154431. The cubic root of 7131217141 is about 1924.8100912108.

Adding to 7131217141 its reverse (1417121317), we get a palindrome (8548338458).

The spelling of 7131217141 in words is "seven billion, one hundred thirty-one million, two hundred seventeen thousand, one hundred forty-one".