206103142371 has 64 divisors (see below), whose sum is σ = 337564544000. Its totient is φ = 111499815168.

The previous prime is 206103142367. The next prime is 206103142373. The reversal of 206103142371 is 173241301602.

It is a happy number.

It is not a de Polignac number, because 206103142371 - 2² = 206103142367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206103142373) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41778021 + ... + 41782953.

It is an arithmetic number, because the mean of its divisors is an integer number (5274446000).

Almost surely, 2^206103142371 is an apocalyptic number.

206103142371 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

206103142371 is a deficient number, since it is larger than the sum of its proper divisors (131461401629).

206103142371 is a wasteful number, since it uses less digits than its factorization.

206103142371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7113 (or 7099 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 206103142371 its reverse (173241301602), we get a palindrome (379344443973).

The spelling of 206103142371 in words is "two hundred six billion, one hundred three million, one hundred forty-two thousand, three hundred seventy-one".