7081659131 has 2 divisors, whose sum is σ = 7081659132. Its totient is φ = 7081659130.

The previous prime is 7081659073. The next prime is 7081659133. The reversal of 7081659131 is 1319561807.

It is a strong prime.

It is an emirp because it is prime and its reverse (1319561807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7081659131 - 2¹⁰ = 7081658107 is a prime.

It is a super-2 number, since 2×7081659131² (a number of 21 digits) contains 22 as substring.

Together with 7081659133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7081659133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3540829565 + 3540829566.

It is an arithmetic number, because the mean of its divisors is an integer number (3540829566).

Almost surely, 2^7081659131 is an apocalyptic number.

7081659131 is a deficient number, since it is larger than the sum of its proper divisors (1).

7081659131 is an equidigital number, since it uses as much as digits as its factorization.

7081659131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 7081659131 is about 84152.5943212686. The cubic root of 7081659131 is about 1920.3409343750.

The spelling of 7081659131 in words is "seven billion, eighty-one million, six hundred fifty-nine thousand, one hundred thirty-one".