201030193 has 12 divisors (see below), whose sum is σ = 251840820. Its totient is φ = 159056352.

The previous prime is 201030163. The next prime is 201030199. The reversal of 201030193 is 391030102.

It can be written as a sum of positive squares in 2 ways, for example, as 116812864 + 84217329 = 10808^2 + 9177^2 .

It is not a de Polignac number, because 201030193 - 2⁵ = 201030161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201030193.

It is not an unprimeable number, because it can be changed into a prime (201030199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157158 + ... + 158431.

It is an arithmetic number, because the mean of its divisors is an integer number (20986735).

Almost surely, 2^201030193 is an apocalyptic number.

It is an amenable number.

201030193 is a deficient number, since it is larger than the sum of its proper divisors (50810627).

201030193 is a wasteful number, since it uses less digits than its factorization.

201030193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315616 (or 315609 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 201030193 is about 14178.5116637819. The cubic root of 201030193 is about 585.8059293984.

Adding to 201030193 its reverse (391030102), we get a palindrome (592060295).

The spelling of 201030193 in words is "two hundred one million, thirty thousand, one hundred ninety-three".