201243133030 has 16 divisors (see below), whose sum is σ = 362255438160. Its totient is φ = 80493297952.

The previous prime is 201243132983. The next prime is 201243133037. The reversal of 201243133030 is 30331342102.

It is a junction number, because it is equal to n+sod(n) for n = 201243132992 and 201243133010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201243133037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276124 + ... + 691903.

It is an arithmetic number, because the mean of its divisors is an integer number (22640964885).

Almost surely, 2^201243133030 is an apocalyptic number.

201243133030 is a deficient number, since it is larger than the sum of its proper divisors (161012305130).

201243133030 is a wasteful number, since it uses less digits than its factorization.

201243133030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988823.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 201243133030 its reverse (30331342102), we get a palindrome (231574475132).

The spelling of 201243133030 in words is "two hundred one billion, two hundred forty-three million, one hundred thirty-three thousand, thirty".