100431511532 has 36 divisors (see below), whose sum is σ = 203353079160. Its totient is φ = 43248015360.

The previous prime is 100431511529. The next prime is 100431511553. The reversal of 100431511532 is 235115134001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5451413 + ... + 5469804.

Almost surely, 2^100431511532 is an apocalyptic number.

It is an amenable number.

100431511532 is an abundant number, since it is smaller than the sum of its proper divisors (102921567628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100431511532 is a wasteful number, since it uses less digits than its factorization.

100431511532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10921262 (or 10921249 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 100431511532 its reverse (235115134001), we get a palindrome (335546645533).

The spelling of 100431511532 in words is "one hundred billion, four hundred thirty-one million, five hundred eleven thousand, five hundred thirty-two".