34321232021 has 4 divisors (see below), whose sum is σ = 34624959852. Its totient is φ = 34017504192.

The previous prime is 34321232009. The next prime is 34321232039. The reversal of 34321232021 is 12023212343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6522339121 + 27798892900 = 80761^2 + 166730^2 .

It is a cyclic number.

It is not a de Polignac number, because 34321232021 - 2¹⁴ = 34321215637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34321292021) 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, 151863746 + ... + 151863971.

It is an arithmetic number, because the mean of its divisors is an integer number (8656239963).

Almost surely, 2^34321232021 is an apocalyptic number.

It is an amenable number.

34321232021 is a deficient number, since it is larger than the sum of its proper divisors (303727831).

34321232021 is a wasteful number, since it uses less digits than its factorization.

34321232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303727830.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 34321232021 its reverse (12023212343), we get a palindrome (46344444364).

The spelling of 34321232021 in words is "thirty-four billion, three hundred twenty-one million, two hundred thirty-two thousand, twenty-one".