243131200130 has 32 divisors (see below), whose sum is σ = 538629122304. Its totient is φ = 76947016896.

The previous prime is 243131200099. The next prime is 243131200139. The reversal of 243131200130 is 31002131342.

It is a super-2 number, since 2×243131200130² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (243131200139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133587662 + ... + 133589481.

It is an arithmetic number, because the mean of its divisors is an integer number (16832160072).

Almost surely, 2^243131200130 is an apocalyptic number.

243131200130 is an abundant number, since it is smaller than the sum of its proper divisors (295497922174).

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

243131200130 is a wasteful number, since it uses less digits than its factorization.

243131200130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267177170.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 243131200130 its reverse (31002131342), we get a palindrome (274133331472).

The spelling of 243131200130 in words is "two hundred forty-three billion, one hundred thirty-one million, two hundred thousand, one hundred thirty".