32030353021 has 4 divisors (see below), whose sum is σ = 33914491452. Its totient is φ = 30146214592.

The previous prime is 32030352997. The next prime is 32030353039. The reversal of 32030353021 is 12035303023.

It is a happy number.

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 27196627396 + 4833725625 = 164914^2 + 69525^2 .

It is a cyclic number.

It is not a de Polignac number, because 32030353021 - 2²³ = 32021964413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32030352983 and 32030353001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32030353051) 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, 942069190 + ... + 942069223.

It is an arithmetic number, because the mean of its divisors is an integer number (8478622863).

Almost surely, 2^32030353021 is an apocalyptic number.

It is an amenable number.

32030353021 is a deficient number, since it is larger than the sum of its proper divisors (1884138431).

32030353021 is a wasteful number, since it uses less digits than its factorization.

32030353021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884138430.

The product of its (nonzero) digits is 1620, while the sum is 22.

Adding to 32030353021 its reverse (12035303023), we get a palindrome (44065656044).

The spelling of 32030353021 in words is "thirty-two billion, thirty million, three hundred fifty-three thousand, twenty-one".