34856131 has 2 divisors, whose sum is σ = 34856132. Its totient is φ = 34856130.

The previous prime is 34856111. The next prime is 34856149. The reversal of 34856131 is 13165843.

34856131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (13165843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34856131 - 2⁹ = 34855619 is a prime.

It is a super-2 number, since 2×34856131² = 2429899736578322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34856093 and 34856102.

It is not a weakly prime, because it can be changed into another prime (34856111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17428065 + 17428066.

It is an arithmetic number, because the mean of its divisors is an integer number (17428066).

Almost surely, 2^34856131 is an apocalyptic number.

34856131 is a deficient number, since it is larger than the sum of its proper divisors (1).

34856131 is an equidigital number, since it uses as much as digits as its factorization.

34856131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 34856131 is about 5903.9081124286. The cubic root of 34856131 is about 326.6578202288.

The spelling of 34856131 in words is "thirty-four million, eight hundred fifty-six thousand, one hundred thirty-one".