203661341306 has 4 divisors (see below), whose sum is σ = 305492011962. Its totient is φ = 101830670652.

The previous prime is 203661341243. The next prime is 203661341333. The reversal of 203661341306 is 603143166302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 194776582225 + 8884759081 = 441335^2 + 94259^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50915335325 + ... + 50915335328.

Almost surely, 2^203661341306 is an apocalyptic number.

203661341306 is a deficient number, since it is larger than the sum of its proper divisors (101830670656).

203661341306 is a wasteful number, since it uses less digits than its factorization.

203661341306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101830670655.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 203661341306 in words is "two hundred three billion, six hundred sixty-one million, three hundred forty-one thousand, three hundred six".