201351433284 has 135 divisors (see below), whose sum is σ = 533932409703. Its totient is φ = 66166751232.

The previous prime is 201351433279. The next prime is 201351433373. The reversal of 201351433284 is 482334153102.

The square root of 201351433284 is 448722.

It is a perfect power (a square), and thus also a powerful number.

201351433284 is a `hidden beast` number, since 20 + 1 + 351 + 4 + 3 + 3 + 284 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 65986306884 + 135365126400 = 256878^2 + 367920^2 .

It is a super-2 number, since 2×201351433284² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 783468484 + ... + 783468740.

Almost surely, 2^201351433284 is an apocalyptic number.

201351433284 is the 448722-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201351433284

201351433284 is an abundant number, since it is smaller than the sum of its proper divisors (332580976419).

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

201351433284 is an frugal number, since it uses more digits than its factorization.

201351433284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Multiplying 201351433284 by its sum of digits (36), we get a square (7248651598224 = 2692332²).

201351433284 divided by its sum of digits (36) gives a square (5593095369 = 74787²).

Adding to 201351433284 its reverse (482334153102), we get a palindrome (683685586386).

The spelling of 201351433284 in words is "two hundred one billion, three hundred fifty-one million, four hundred thirty-three thousand, two hundred eighty-four".