34831 has 4 divisors (see below), whose sum is σ = 35464. Its totient is φ = 34200.

The previous prime is 34819. The next prime is 34841. The reversal of 34831 is 13843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13843 = 109 ⋅127.

It is a cyclic number.

It is not a de Polignac number, because 34831 - 2⁷ = 34703 is a prime.

It is a super-2 number, since 2×34831² = 2426397122, 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 = 34799 and 34808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225 + ... + 346.

It is an arithmetic number, because the mean of its divisors is an integer number (8866).

2³⁴⁸³¹ is an apocalyptic number.

34831 is a deficient number, since it is larger than the sum of its proper divisors (633).

34831 is an equidigital number, since it uses as much as digits as its factorization.

34831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632.

The product of its digits is 288, while the sum is 19.

The square root of 34831 is about 186.6306512875. The cubic root of 34831 is about 32.6579295436.

Subtracting from 34831 its product of digits (288), we obtain a palindrome (34543).

The spelling of 34831 in words is "thirty-four thousand, eight hundred thirty-one".