243310115442 has 32 divisors (see below), whose sum is σ = 505793518272. Its totient is φ = 77960643264.

The previous prime is 243310115383. The next prime is 243310115443. The reversal of 243310115442 is 244511013342.

It is not an unprimeable number, because it can be changed into a prime (243310115443) 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, 6583933 + ... + 6620784.

It is an arithmetic number, because the mean of its divisors is an integer number (15806047446).

Almost surely, 2^243310115442 is an apocalyptic number.

243310115442 is an abundant number, since it is smaller than the sum of its proper divisors (262483402830).

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

243310115442 is a wasteful number, since it uses less digits than its factorization.

243310115442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13204842.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 243310115442 its reverse (244511013342), we get a palindrome (487821128784).

The spelling of 243310115442 in words is "two hundred forty-three billion, three hundred ten million, one hundred fifteen thousand, four hundred forty-two".