791365031 has 2 divisors, whose sum is σ = 791365032. Its totient is φ = 791365030.

The previous prime is 791365027. The next prime is 791365033. The reversal of 791365031 is 130563197.

It is a strong prime.

It is an emirp because it is prime and its reverse (130563197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 791365031 - 2² = 791365027 is a prime.

It is a super-2 number, since 2×791365031² = 1252517224579261922, which contains 22 as substring.

Together with 791365033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 791364982 and 791365000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791365033) 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, 395682515 + 395682516.

It is an arithmetic number, because the mean of its divisors is an integer number (395682516).

Almost surely, 2^791365031 is an apocalyptic number.

791365031 is a deficient number, since it is larger than the sum of its proper divisors (1).

791365031 is an equidigital number, since it uses as much as digits as its factorization.

791365031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 791365031 is about 28131.2109764226. The cubic root of 791365031 is about 924.9656791746.

The spelling of 791365031 in words is "seven hundred ninety-one million, three hundred sixty-five thousand, thirty-one".