100542242344 has 16 divisors (see below), whose sum is σ = 188590468500. Its totient is φ = 50251450752.

The previous prime is 100542242321. The next prime is 100542242347. The reversal of 100542242344 is 443242245001.

It can be written as a sum of positive squares in 2 ways, for example, as 100077322500 + 464919844 = 316350^2 + 21562^2 .

It is a super-2 number, since 2×100542242344² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100542242347) 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, 2437069 + ... + 2477980.

Almost surely, 2^100542242344 is an apocalyptic number.

It is an amenable number.

100542242344 is a deficient number, since it is larger than the sum of its proper divisors (88048226156).

100542242344 is a wasteful number, since it uses less digits than its factorization.

100542242344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4917612 (or 4917608 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 100542242344 its reverse (443242245001), we get a palindrome (543784487345).

The spelling of 100542242344 in words is "one hundred billion, five hundred forty-two million, two hundred forty-two thousand, three hundred forty-four".