243310032542 has 4 divisors (see below), whose sum is σ = 364965048816. Its totient is φ = 121655016270.

The previous prime is 243310032503. The next prime is 243310032619. The reversal of 243310032542 is 245230013342.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60827508134 + ... + 60827508137.

It is an arithmetic number, because the mean of its divisors is an integer number (91241262204).

Almost surely, 2^243310032542 is an apocalyptic number.

243310032542 is a deficient number, since it is larger than the sum of its proper divisors (121655016274).

243310032542 is a wasteful number, since it uses less digits than its factorization.

243310032542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121655016273.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 243310032542 its reverse (245230013342), we get a palindrome (488540045884).

It can be divided in two parts, 2433100 and 32542, that added together give a palindrome (2465642).

The spelling of 243310032542 in words is "two hundred forty-three billion, three hundred ten million, thirty-two thousand, five hundred forty-two".