32103430021 has 8 divisors (see below), whose sum is σ = 34665618680. Its totient is φ = 29554483392.

The previous prime is 32103430019. The next prime is 32103430069. The reversal of 32103430021 is 12003430123.

It can be written as a sum of positive squares in 4 ways, for example, as 94284100 + 32009145921 = 9710^2 + 178911^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 32103430021 - 2¹ = 32103430019 is a prime.

It is a super-4 number, since 4×32103430021⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32103430001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3305466 + ... + 3315163.

It is an arithmetic number, because the mean of its divisors is an integer number (4333202335).

Almost surely, 2^32103430021 is an apocalyptic number.

It is an amenable number.

32103430021 is a deficient number, since it is larger than the sum of its proper divisors (2562188659).

32103430021 is a wasteful number, since it uses less digits than its factorization.

32103430021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6621015.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 32103430021 its reverse (12003430123), we get a palindrome (44106860144).

The spelling of 32103430021 in words is "thirty-two billion, one hundred three million, four hundred thirty thousand, twenty-one".