243240240130 has 32 divisors (see below), whose sum is σ = 440446668480. Its totient is φ = 96715632960.

The previous prime is 243240240127. The next prime is 243240240137. The reversal of 243240240130 is 31042042342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 243240240095 and 243240240104.

It is not an unprimeable number, because it can be changed into a prime (243240240137) 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, 4219441 + ... + 4276699.

It is an arithmetic number, because the mean of its divisors is an integer number (13763958390).

Almost surely, 2^243240240130 is an apocalyptic number.

243240240130 is a deficient number, since it is larger than the sum of its proper divisors (197206428350).

243240240130 is a wasteful number, since it uses less digits than its factorization.

243240240130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59794.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 243240240130 its reverse (31042042342), we get a palindrome (274282282472).

The spelling of 243240240130 in words is "two hundred forty-three billion, two hundred forty million, two hundred forty thousand, one hundred thirty".