242131071 has 32 divisors (see below), whose sum is σ = 408099328. Its totient is φ = 124260480.

The previous prime is 242131039. The next prime is 242131073. The reversal of 242131071 is 170131242.

It is not a de Polignac number, because 242131071 - 2⁵ = 242131039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242131073) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1885 + ... + 22086.

It is an arithmetic number, because the mean of its divisors is an integer number (12753104).

Almost surely, 2^242131071 is an apocalyptic number.

242131071 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

242131071 is a deficient number, since it is larger than the sum of its proper divisors (165968257).

242131071 is a wasteful number, since it uses less digits than its factorization.

242131071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24031.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 242131071 is about 15560.5613973275. The cubic root of 242131071 is about 623.2804539838.

The spelling of 242131071 in words is "two hundred forty-two million, one hundred thirty-one thousand, seventy-one".