203320312742 has 4 divisors (see below), whose sum is σ = 304980469116. Its totient is φ = 101660156370.

The previous prime is 203320312709. The next prime is 203320312763. The reversal of 203320312742 is 247213023302.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50830078184 + ... + 50830078187.

It is an arithmetic number, because the mean of its divisors is an integer number (76245117279).

Almost surely, 2^203320312742 is an apocalyptic number.

203320312742 is a deficient number, since it is larger than the sum of its proper divisors (101660156374).

203320312742 is a wasteful number, since it uses less digits than its factorization.

203320312742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101660156373.

The product of its (nonzero) digits is 12096, while the sum is 29.

The spelling of 203320312742 in words is "two hundred three billion, three hundred twenty million, three hundred twelve thousand, seven hundred forty-two".