7286730131 has 2 divisors, whose sum is σ = 7286730132. Its totient is φ = 7286730130.

The previous prime is 7286730127. The next prime is 7286730151. The reversal of 7286730131 is 1310376827.

It is a weak prime.

It is an emirp because it is prime and its reverse (1310376827) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7286730131 - 2² = 7286730127 is a prime.

It is a super-2 number, since 2×7286730131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7286730151) 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, 3643365065 + 3643365066.

It is an arithmetic number, because the mean of its divisors is an integer number (3643365066).

Almost surely, 2^7286730131 is an apocalyptic number.

7286730131 is a deficient number, since it is larger than the sum of its proper divisors (1).

7286730131 is an equidigital number, since it uses as much as digits as its factorization.

7286730131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 7286730131 is about 85362.3460959222. The cubic root of 7286730131 is about 1938.7012715328.

The spelling of 7286730131 in words is "seven billion, two hundred eighty-six million, seven hundred thirty thousand, one hundred thirty-one".