303133445242 has 4 divisors (see below), whose sum is σ = 454700167866. Its totient is φ = 151566722620.

The previous prime is 303133445203. The next prime is 303133445249. The reversal of 303133445242 is 242544331303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242544331303 = 197 ⋅1231189499.

It can be written as a sum of positive squares in only one way, i.e., 195135111081 + 107998334161 = 441741^2 + 328631^2 .

It is a super-2 number, since 2×303133445242² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 303133445198 and 303133445207.

It is not an unprimeable number, because it can be changed into a prime (303133445249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75783361309 + ... + 75783361312.

Almost surely, 2^303133445242 is an apocalyptic number.

303133445242 is a deficient number, since it is larger than the sum of its proper divisors (151566722624).

303133445242 is a wasteful number, since it uses less digits than its factorization.

303133445242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151566722623.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 303133445242 its reverse (242544331303), we get a palindrome (545677776545).

The spelling of 303133445242 in words is "three hundred three billion, one hundred thirty-three million, four hundred forty-five thousand, two hundred forty-two".