34243031 has 4 divisors (see below), whose sum is σ = 34473000. Its totient is φ = 34013064.

The previous prime is 34243009. The next prime is 34243051. The reversal of 34243031 is 13034243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13034243 = 179 ⋅72817.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34243031 is a prime.

It is a super-2 number, since 2×34243031² = 2345170344133922, 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 = 34242994 and 34243012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34243051) 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, 114761 + ... + 115058.

It is an arithmetic number, because the mean of its divisors is an integer number (8618250).

Almost surely, 2^34243031 is an apocalyptic number.

34243031 is a deficient number, since it is larger than the sum of its proper divisors (229969).

34243031 is a wasteful number, since it uses less digits than its factorization.

34243031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229968.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 34243031 is about 5851.7545232178. The cubic root of 34243031 is about 324.7312365806.

Adding to 34243031 its reverse (13034243), we get a palindrome (47277274).

The spelling of 34243031 in words is "thirty-four million, two hundred forty-three thousand, thirty-one".