100243401135 has 64 divisors (see below), whose sum is σ = 177488381952. Its totient is φ = 48054296576.

The previous prime is 100243401103. The next prime is 100243401187. The reversal of 100243401135 is 531104342001.

It is a happy number.

It is not a de Polignac number, because 100243401135 - 2⁵ = 100243401103 is a prime.

It is a super-2 number, since 2×100243401135² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3781447 + ... + 3807863.

It is an arithmetic number, because the mean of its divisors is an integer number (2773255968).

Almost surely, 2^100243401135 is an apocalyptic number.

100243401135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100243401135 is a deficient number, since it is larger than the sum of its proper divisors (77244980817).

100243401135 is a wasteful number, since it uses less digits than its factorization.

100243401135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27112.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 100243401135 its reverse (531104342001), we get a palindrome (631347743136).

The spelling of 100243401135 in words is "one hundred billion, two hundred forty-three million, four hundred one thousand, one hundred thirty-five".