240203103997 has 2 divisors, whose sum is σ = 240203103998. Its totient is φ = 240203103996.

The previous prime is 240203103979. The next prime is 240203104019. The reversal of 240203103997 is 799301302042.

Together with previous prime (240203103979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227840110276 + 12362993721 = 477326^2 + 111189^2 .

It is a cyclic number.

It is not a de Polignac number, because 240203103997 - 2⁷ = 240203103869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240203103947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120101551998 + 120101551999.

It is an arithmetic number, because the mean of its divisors is an integer number (120101551999).

Almost surely, 2^240203103997 is an apocalyptic number.

It is an amenable number.

240203103997 is a deficient number, since it is larger than the sum of its proper divisors (1).

240203103997 is an equidigital number, since it uses as much as digits as its factorization.

240203103997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 240203103997 in words is "two hundred forty billion, two hundred three million, one hundred three thousand, nine hundred ninety-seven".