34311021 has 8 divisors (see below), whose sum is σ = 45793920. Its totient is φ = 22851072.

The previous prime is 34311007. The next prime is 34311023. The reversal of 34311021 is 12011343.

34311021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34311021 - 2⁵ = 34310989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34311023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1876 + ... + 8493.

It is an arithmetic number, because the mean of its divisors is an integer number (5724240).

Almost surely, 2^34311021 is an apocalyptic number.

It is an amenable number.

34311021 is a deficient number, since it is larger than the sum of its proper divisors (11482899).

34311021 is a wasteful number, since it uses less digits than its factorization.

34311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11475.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 34311021 is about 5857.5610112059. The cubic root of 34311021 is about 324.9460139125.

Adding to 34311021 its reverse (12011343), we get a palindrome (46322364).

The spelling of 34311021 in words is "thirty-four million, three hundred eleven thousand, twenty-one".