242073031 has 4 divisors (see below), whose sum is σ = 242767000. Its totient is φ = 241379064.

The previous prime is 242073019. The next prime is 242073043. The reversal of 242073031 is 130370242.

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

It is an interprime number because it is at equal distance from previous prime (242073019) and next prime (242073043).

It is a cyclic number.

It is not a de Polignac number, because 242073031 - 2¹³ = 242064839 is a prime.

It is a super-2 number, since 2×242073031² = 117198704675053922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242072993 and 242073011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242073011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346461 + ... + 347158.

It is an arithmetic number, because the mean of its divisors is an integer number (60691750).

Almost surely, 2^242073031 is an apocalyptic number.

242073031 is a deficient number, since it is larger than the sum of its proper divisors (693969).

242073031 is an equidigital number, since it uses as much as digits as its factorization.

242073031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693968.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 242073031 is about 15558.6963142803. The cubic root of 242073031 is about 623.2306488813.

The spelling of 242073031 in words is "two hundred forty-two million, seventy-three thousand, thirty-one".