242600031 has 6 divisors (see below), whose sum is σ = 350422280. Its totient is φ = 161733348.

The previous prime is 242599991. The next prime is 242600053. The reversal of 242600031 is 130006242.

It is a happy number.

It is not a de Polignac number, because 242600031 - 2⁶ = 242599967 is a prime.

It is a super-2 number, since 2×242600031² = 117709550082401922, 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 = 242599977 and 242600013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242600131) 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 5 ways as a sum of consecutive naturals, for example, 13477771 + ... + 13477788.

Almost surely, 2^242600031 is an apocalyptic number.

242600031 is a deficient number, since it is larger than the sum of its proper divisors (107822249).

242600031 is a wasteful number, since it uses less digits than its factorization.

242600031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26955565 (or 26955562 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 242600031 is about 15575.6229730948. The cubic root of 242600031 is about 623.6825848053.

Adding to 242600031 its reverse (130006242), we get a palindrome (372606273).

The spelling of 242600031 in words is "two hundred forty-two million, six hundred thousand, thirty-one".