203240211114242 has 4 divisors (see below), whose sum is σ = 304860316671366. Its totient is φ = 101620105557120.

The previous prime is 203240211114233. The next prime is 203240211114331. The reversal of 203240211114242 is 242411112042302.

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

It can be written as a sum of positive squares in only one way, i.e., 197114046552361 + 6126164561881 = 14039731^2 + 2475109^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50810052778559 + ... + 50810052778562.

Almost surely, 2^{203240211114242} is an apocalyptic number.

203240211114242 is a deficient number, since it is larger than the sum of its proper divisors (101620105557124).

203240211114242 is a wasteful number, since it uses less digits than its factorization.

203240211114242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101620105557123.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 203240211114242 its reverse (242411112042302), we get a palindrome (445651323156544).

The spelling of 203240211114242 in words is "two hundred three trillion, two hundred forty billion, two hundred eleven million, one hundred fourteen thousand, two hundred forty-two".