34020531 has 6 divisors (see below), whose sum is σ = 49140780. Its totient is φ = 22680348.

The previous prime is 34020491. The next prime is 34020551. The reversal of 34020531 is 13502043.

It is not a de Polignac number, because 34020531 - 2¹¹ = 34018483 is a prime.

It is a super-2 number, since 2×34020531² = 2314793059043922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34020551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1890021 + ... + 1890038.

It is an arithmetic number, because the mean of its divisors is an integer number (8190130).

Almost surely, 2^34020531 is an apocalyptic number.

34020531 is a deficient number, since it is larger than the sum of its proper divisors (15120249).

34020531 is a wasteful number, since it uses less digits than its factorization.

34020531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780065 (or 3780062 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 34020531 is about 5832.7121478777. The cubic root of 34020531 is about 324.0263753106.

Adding to 34020531 its reverse (13502043), we get a palindrome (47522574).

The spelling of 34020531 in words is "thirty-four million, twenty thousand, five hundred thirty-one".