242067231 has 32 divisors (see below), whose sum is σ = 410618880. Its totient is φ = 138064608.

The previous prime is 242067229. The next prime is 242067247. The reversal of 242067231 is 132760242.

242067231 is a `hidden beast` number, since 2 + 420 + 6 + 7 + 231 = 666.

It is not a de Polignac number, because 242067231 - 2¹ = 242067229 is a prime.

It is a super-2 number, since 2×242067231² = 117193088648014722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 242067195 and 242067204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242067211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149830 + ... + 151436.

It is an arithmetic number, because the mean of its divisors is an integer number (12831840).

Almost surely, 2^242067231 is an apocalyptic number.

242067231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

242067231 is a deficient number, since it is larger than the sum of its proper divisors (168551649).

242067231 is a wasteful number, since it uses less digits than its factorization.

242067231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420 (or 2414 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 242067231 is about 15558.5099222258. The cubic root of 242067231 is about 623.2256713660.

The spelling of 242067231 in words is "two hundred forty-two million, sixty-seven thousand, two hundred thirty-one".