201341434218 has 16 divisors (see below), whose sum is σ = 406592412096. Its totient is φ = 66462220800.

The previous prime is 201341434201. The next prime is 201341434219. The reversal of 201341434218 is 812434143102.

It is a super-2 number, since 2×201341434218² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201341434219) 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, 162896983 + ... + 162898218.

It is an arithmetic number, because the mean of its divisors is an integer number (25412025756).

Almost surely, 2^201341434218 is an apocalyptic number.

201341434218 is an abundant number, since it is smaller than the sum of its proper divisors (205250977878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201341434218 is a wasteful number, since it uses less digits than its factorization.

201341434218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325795309.

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 201341434218 in words is "two hundred one billion, three hundred forty-one million, four hundred thirty-four thousand, two hundred eighteen".