201040313 has 4 divisors (see below), whose sum is σ = 201176820. Its totient is φ = 200903808.

The previous prime is 201040303. The next prime is 201040319. The reversal of 201040313 is 313040102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 98565184 + 102475129 = 9928^2 + 10123^2 .

It is a cyclic number.

It is not a de Polignac number, because 201040313 - 2¹⁶ = 200974777 is a prime.

It is a super-2 number, since 2×201040313² = 80834414902275938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201040319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66020 + ... + 68997.

It is an arithmetic number, because the mean of its divisors is an integer number (50294205).

Almost surely, 2^201040313 is an apocalyptic number.

It is an amenable number.

201040313 is a deficient number, since it is larger than the sum of its proper divisors (136507).

201040313 is a wasteful number, since it uses less digits than its factorization.

201040313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136506.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 201040313 is about 14178.8685373693. The cubic root of 201040313 is about 585.8157591930.

Adding to 201040313 its reverse (313040102), we get a palindrome (514080415).

The spelling of 201040313 in words is "two hundred one million, forty thousand, three hundred thirteen".