242525023031 has 4 divisors (see below), whose sum is σ = 247685129952. Its totient is φ = 237364916112.

The previous prime is 242525023003. The next prime is 242525023033. The reversal of 242525023031 is 130320525242.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242525023031 is a prime.

It is a super-2 number, since 2×242525023031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242525022985 and 242525023003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242525023033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2580053390 + ... + 2580053483.

It is an arithmetic number, because the mean of its divisors is an integer number (61921282488).

Almost surely, 2^242525023031 is an apocalyptic number.

242525023031 is a deficient number, since it is larger than the sum of its proper divisors (5160106921).

242525023031 is an equidigital number, since it uses as much as digits as its factorization.

242525023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160106920.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 242525023031 its reverse (130320525242), we get a palindrome (372845548273).

The spelling of 242525023031 in words is "two hundred forty-two billion, five hundred twenty-five million, twenty-three thousand, thirty-one".