27731331242 has 8 divisors (see below), whose sum is σ = 43405562016. Its totient is φ = 13262810572.

The previous prime is 27731331223. The next prime is 27731331259. The reversal of 27731331242 is 24213313772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301427468 + ... + 301427559.

It is an arithmetic number, because the mean of its divisors is an integer number (5425695252).

Almost surely, 2^27731331242 is an apocalyptic number.

27731331242 is a deficient number, since it is larger than the sum of its proper divisors (15674230774).

27731331242 is a wasteful number, since it uses less digits than its factorization.

27731331242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602855052.

The product of its digits is 42336, while the sum is 35.

The spelling of 27731331242 in words is "twenty-seven billion, seven hundred thirty-one million, three hundred thirty-one thousand, two hundred forty-two".