242375031 has 8 divisors (see below), whose sum is σ = 359074160. Its totient is φ = 161583336.

The previous prime is 242375017. The next prime is 242375041. The reversal of 242375031 is 130573242.

It is not a de Polignac number, because 242375031 - 2⁹ = 242374519 is a prime.

It is a super-2 number, since 2×242375031² = 117491311304501922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8976853 = 242375031 / (2 + 4 + 2 + 3 + 7 + 5 + 0 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242374986 and 242375004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242375041) 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 7 ways as a sum of consecutive naturals, for example, 4488400 + ... + 4488453.

It is an arithmetic number, because the mean of its divisors is an integer number (44884270).

Almost surely, 2^242375031 is an apocalyptic number.

242375031 is a deficient number, since it is larger than the sum of its proper divisors (116699129).

242375031 is an equidigital number, since it uses as much as digits as its factorization.

242375031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8976862 (or 8976856 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 242375031 is about 15568.3984725469. The cubic root of 242375031 is about 623.4897131803.

The spelling of 242375031 in words is "two hundred forty-two million, three hundred seventy-five thousand, thirty-one".