201305234 has 16 divisors (see below), whose sum is σ = 333975768. Its totient is φ = 90398592.

The previous prime is 201305219. The next prime is 201305249. The reversal of 201305234 is 432503102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201305219) and next prime (201305249).

It can be written as a sum of positive squares in 4 ways, for example, as 156375025 + 44930209 = 12505^2 + 6703^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103667 + ... + 105590.

Almost surely, 2^201305234 is an apocalyptic number.

201305234 is a deficient number, since it is larger than the sum of its proper divisors (132670534).

201305234 is a wasteful number, since it uses less digits than its factorization.

201305234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209309.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 201305234 is about 14188.2075682589. The cubic root of 201305234 is about 586.0729659440.

Adding to 201305234 its reverse (432503102), we get a palindrome (633808336).

The spelling of 201305234 in words is "two hundred one million, three hundred five thousand, two hundred thirty-four".