7040040131 has 2 divisors, whose sum is σ = 7040040132. Its totient is φ = 7040040130.

The previous prime is 7040040121. The next prime is 7040040173. The reversal of 7040040131 is 1310400407.

It is a weak prime.

It is an emirp because it is prime and its reverse (1310400407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7040040131 - 2³⁰ = 5966298307 is a prime.

It is a super-2 number, since 2×7040040131² = 99124330092180994322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7040040121) 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, 3520020065 + 3520020066.

It is an arithmetic number, because the mean of its divisors is an integer number (3520020066).

Almost surely, 2^7040040131 is an apocalyptic number.

7040040131 is a deficient number, since it is larger than the sum of its proper divisors (1).

7040040131 is an equidigital number, since it uses as much as digits as its factorization.

7040040131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 7040040131 is about 83904.9469995661. The cubic root of 7040040131 is about 1916.5715845695.

Adding to 7040040131 its reverse (1310400407), we get a palindrome (8350440538).

The spelling of 7040040131 in words is "seven billion, forty million, forty thousand, one hundred thirty-one".