201030734 has 4 divisors (see below), whose sum is σ = 301546104. Its totient is φ = 100515366.

The previous prime is 201030733. The next prime is 201030743. The reversal of 201030734 is 437030102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201030733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50257682 + ... + 50257685.

It is an arithmetic number, because the mean of its divisors is an integer number (75386526).

Almost surely, 2^201030734 is an apocalyptic number.

201030734 is a deficient number, since it is larger than the sum of its proper divisors (100515370).

201030734 is a wasteful number, since it uses less digits than its factorization.

201030734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100515369.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 201030734 is about 14178.5307419351. The cubic root of 201030734 is about 585.8064548928.

Adding to 201030734 its reverse (437030102), we get a palindrome (638060836).

The spelling of 201030734 in words is "two hundred one million, thirty thousand, seven hundred thirty-four".