34243531 has 16 divisors (see below), whose sum is σ = 39916800. Its totient is φ = 28772640.

The previous prime is 34243511. The next prime is 34243591. The reversal of 34243531 is 13534243.

It is a cyclic number.

It is not a de Polignac number, because 34243531 - 2²¹ = 32146379 is a prime.

It is a super-2 number, since 2×34243531² = 2345238830695922, which contains 22 as substring.

34243531 is a modest number, since divided by 3531 gives 3424 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 34243496 and 34243505.

It is not an unprimeable number, because it can be changed into a prime (34243511) 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 15 ways as a sum of consecutive naturals, for example, 97945 + ... + 98293.

It is an arithmetic number, because the mean of its divisors is an integer number (2494800).

Almost surely, 2^34243531 is an apocalyptic number.

34243531 is a deficient number, since it is larger than the sum of its proper divisors (5673269).

34243531 is a wasteful number, since it uses less digits than its factorization.

34243531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594.

The product of its digits is 4320, while the sum is 25.

The square root of 34243531 is about 5851.7972452914. The cubic root of 34243531 is about 324.7328170952.

Adding to 34243531 its reverse (13534243), we get a palindrome (47777774).

The spelling of 34243531 in words is "thirty-four million, two hundred forty-three thousand, five hundred thirty-one".