242454031 has 2 divisors, whose sum is σ = 242454032. Its totient is φ = 242454030.

The previous prime is 242454029. The next prime is 242454083. The reversal of 242454031 is 130454242.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242454031 - 2¹ = 242454029 is a prime.

It is a super-2 number, since 2×242454031² = 117567914296297922, which contains 22 as substring.

Together with 242454029, it forms a pair of twin primes.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 242453987 and 242454005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242404031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121227015 + 121227016.

It is an arithmetic number, because the mean of its divisors is an integer number (121227016).

Almost surely, 2^242454031 is an apocalyptic number.

242454031 is a deficient number, since it is larger than the sum of its proper divisors (1).

242454031 is an equidigital number, since it uses as much as digits as its factorization.

242454031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 242454031 is about 15570.9354568054. The cubic root of 242454031 is about 623.5574461430.

The spelling of 242454031 in words is "two hundred forty-two million, four hundred fifty-four thousand, thirty-one".