100432421332 has 12 divisors (see below), whose sum is σ = 180043487316. Its totient is φ = 48991424960.

The previous prime is 100432421329. The next prime is 100432421333. The reversal of 100432421332 is 233124234001.

It can be written as a sum of positive squares in 2 ways, for example, as 10248727696 + 90183693636 = 101236^2 + 300306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100432421297 and 100432421306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100432421333) 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, 306196243 + ... + 306196570.

It is an arithmetic number, because the mean of its divisors is an integer number (15003623943).

Almost surely, 2^100432421332 is an apocalyptic number.

It is an amenable number.

100432421332 is a deficient number, since it is larger than the sum of its proper divisors (79611065984).

100432421332 is a wasteful number, since it uses less digits than its factorization.

100432421332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612392858 (or 612392856 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 100432421332 its reverse (233124234001), we get a palindrome (333556655333).

The spelling of 100432421332 in words is "one hundred billion, four hundred thirty-two million, four hundred twenty-one thousand, three hundred thirty-two".