243133215130 has 32 divisors (see below), whose sum is σ = 487556269200. Its totient is φ = 86676667392.

The previous prime is 243133215121. The next prime is 243133215191. The reversal of 243133215130 is 31512331342.

It can be written as a sum of positive squares in 8 ways, for example, as 122996802681 + 120136412449 = 350709^2 + 346607^2 .

It is a super-2 number, since 2×243133215130² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32242015 + ... + 32249554.

Almost surely, 2^243133215130 is an apocalyptic number.

243133215130 is an abundant number, since it is smaller than the sum of its proper divisors (244423054070).

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

243133215130 is a wasteful number, since it uses less digits than its factorization.

243133215130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64491618.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 243133215130 its reverse (31512331342), we get a palindrome (274645546472).

The spelling of 243133215130 in words is "two hundred forty-three billion, one hundred thirty-three million, two hundred fifteen thousand, one hundred thirty".