242103031207 has 2 divisors, whose sum is σ = 242103031208. Its totient is φ = 242103031206.

The previous prime is 242103031199. The next prime is 242103031271. The reversal of 242103031207 is 702130301242.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242103031207 - 2³ = 242103031199 is a prime.

It is a super-2 number, since 2×242103031207² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242103031607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121051515603 + 121051515604.

It is an arithmetic number, because the mean of its divisors is an integer number (121051515604).

Almost surely, 2^242103031207 is an apocalyptic number.

242103031207 is a deficient number, since it is larger than the sum of its proper divisors (1).

242103031207 is an equidigital number, since it uses as much as digits as its factorization.

242103031207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 242103031207 its reverse (702130301242), we get a palindrome (944233332449).

The spelling of 242103031207 in words is "two hundred forty-two billion, one hundred three million, thirty-one thousand, two hundred seven".