242707732331 has 4 divisors (see below), whose sum is σ = 242711473152. Its totient is φ = 242703991512.

The previous prime is 242707732303. The next prime is 242707732339. The reversal of 242707732331 is 133237707242.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242707732331 is a prime.

It is a super-2 number, since 2×242707732331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242707732339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1771340 + ... + 1903433.

It is an arithmetic number, because the mean of its divisors is an integer number (60677868288).

Almost surely, 2^242707732331 is an apocalyptic number.

242707732331 is a deficient number, since it is larger than the sum of its proper divisors (3740821).

242707732331 is an equidigital number, since it uses as much as digits as its factorization.

242707732331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740820.

The product of its (nonzero) digits is 296352, while the sum is 41.

The spelling of 242707732331 in words is "two hundred forty-two billion, seven hundred seven million, seven hundred thirty-two thousand, three hundred thirty-one".