333403121242 has 4 divisors (see below), whose sum is σ = 500104681866. Its totient is φ = 166701560620.

The previous prime is 333403121213. The next prime is 333403121267. The reversal of 333403121242 is 242121304333.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242121304333 = 4337 ⋅55826909.

It can be written as a sum of positive squares in only one way, i.e., 314203970521 + 19199150721 = 560539^2 + 138561^2 .

It is a super-2 number, since 2×333403121242² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 333403121242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83350780309 + ... + 83350780312.

Almost surely, 2^333403121242 is an apocalyptic number.

333403121242 is a deficient number, since it is larger than the sum of its proper divisors (166701560624).

333403121242 is a wasteful number, since it uses less digits than its factorization.

333403121242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166701560623.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 333403121242 its reverse (242121304333), we get a palindrome (575524425575).

The spelling of 333403121242 in words is "three hundred thirty-three billion, four hundred three million, one hundred twenty-one thousand, two hundred forty-two".