201043402330 has 64 divisors (see below), whose sum is σ = 391252356000. Its totient is φ = 74104602624.

The previous prime is 201043402327. The next prime is 201043402331. The reversal of 201043402330 is 33204340102.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 28937071881 + 172106330449 = 170109^2 + 414857^2 .

It is not an unprimeable number, because it can be changed into a prime (201043402331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1641046 + ... + 1759294.

Almost surely, 2^201043402330 is an apocalyptic number.

201043402330 is a deficient number, since it is larger than the sum of its proper divisors (190208953670).

201043402330 is a wasteful number, since it uses less digits than its factorization.

201043402330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118483.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 201043402330 its reverse (33204340102), we get a palindrome (234247742432).

The spelling of 201043402330 in words is "two hundred one billion, forty-three million, four hundred two thousand, three hundred thirty".