791134931 has 2 divisors, whose sum is σ = 791134932. Its totient is φ = 791134930.

The previous prime is 791134913. The next prime is 791134951. The reversal of 791134931 is 139431197.

Together with previous prime (791134913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (139431197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 791134931 - 2¹⁰ = 791133907 is a prime.

It is a super-2 number, since 2×791134931² = 1251788958096749522, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (791134951) 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, 395567465 + 395567466.

It is an arithmetic number, because the mean of its divisors is an integer number (395567466).

Almost surely, 2^791134931 is an apocalyptic number.

791134931 is a deficient number, since it is larger than the sum of its proper divisors (1).

791134931 is an equidigital number, since it uses as much as digits as its factorization.

791134931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 38.

The square root of 791134931 is about 28127.1209155861. The cubic root of 791134931 is about 924.8760217574.

The spelling of 791134931 in words is "seven hundred ninety-one million, one hundred thirty-four thousand, nine hundred thirty-one".