34091831 has 4 divisors (see below), whose sum is σ = 34160112. Its totient is φ = 34023552.

The previous prime is 34091809. The next prime is 34091839. The reversal of 34091831 is 13819043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13819043 = 7 ⋅1974149.

It is a cyclic number.

It is not a de Polignac number, because 34091831 - 2⁶ = 34091767 is a prime.

It is a super-2 number, since 2×34091831² = 2324505881865122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34091794 and 34091803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34091839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33386 + ... + 34391.

It is an arithmetic number, because the mean of its divisors is an integer number (8540028).

Almost surely, 2^34091831 is an apocalyptic number.

34091831 is a deficient number, since it is larger than the sum of its proper divisors (68281).

34091831 is an equidigital number, since it uses as much as digits as its factorization.

34091831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68280.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 34091831 is about 5838.8210282556. The cubic root of 34091831 is about 324.2525814561.

The spelling of 34091831 in words is "thirty-four million, ninety-one thousand, eight hundred thirty-one".