100531342040 has 16 divisors (see below), whose sum is σ = 226195519680. Its totient is φ = 40212536800.

The previous prime is 100531342031. The next prime is 100531342081. The reversal of 100531342040 is 40243135001.

It is a junction number, because it is equal to n+sod(n) for n = 100531341997 and 100531342015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256641736 + ... + 1256641815.

It is an arithmetic number, because the mean of its divisors is an integer number (14137219980).

Almost surely, 2^100531342040 is an apocalyptic number.

100531342040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100531342040 is an abundant number, since it is smaller than the sum of its proper divisors (125664177640).

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

100531342040 is a wasteful number, since it uses less digits than its factorization.

100531342040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513283562 (or 2513283558 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 100531342040 its reverse (40243135001), we get a palindrome (140774477041).

The spelling of 100531342040 in words is "one hundred billion, five hundred thirty-one million, three hundred forty-two thousand, forty".