100040311242 has 48 divisors (see below), whose sum is σ = 217996658880. Its totient is φ = 33156133056.

The previous prime is 100040311237. The next prime is 100040311243. The reversal of 100040311242 is 242113040001.

100040311242 is a `hidden beast` number, since 10 + 0 + 0 + 403 + 11 + 242 = 666.

100040311242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (100040311243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2238003 + ... + 2282265.

It is an arithmetic number, because the mean of its divisors is an integer number (4541597060).

Almost surely, 2^100040311242 is an apocalyptic number.

100040311242 is an abundant number, since it is smaller than the sum of its proper divisors (117956347638).

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

100040311242 is a wasteful number, since it uses less digits than its factorization.

100040311242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44987 (or 44984 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 100040311242 its reverse (242113040001), we get a palindrome (342153351243).

The spelling of 100040311242 in words is "one hundred billion, forty million, three hundred eleven thousand, two hundred forty-two".