100206531161 has 8 divisors (see below), whose sum is σ = 115746581664. Its totient is φ = 85738208320.

The previous prime is 100206531043. The next prime is 100206531179. The reversal of 100206531161 is 161135602001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100206531161 - 2³⁰ = 99132789337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100206531161.

It is not an unprimeable number, because it can be changed into a prime (100206531361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267931715 + ... + 267932088.

It is an arithmetic number, because the mean of its divisors is an integer number (14468322708).

Almost surely, 2^100206531161 is an apocalyptic number.

100206531161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100206531161 is a deficient number, since it is larger than the sum of its proper divisors (15540050503).

100206531161 is a wasteful number, since it uses less digits than its factorization.

100206531161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535863831.

The product of its (nonzero) digits is 1080, while the sum is 26.

The spelling of 100206531161 in words is "one hundred billion, two hundred six million, five hundred thirty-one thousand, one hundred sixty-one".