303213131442 has 48 divisors (see below), whose sum is σ = 718057005120. Its totient is φ = 91903860576.

The previous prime is 303213131437. The next prime is 303213131447. The reversal of 303213131442 is 244131312303.

It is a happy number.

303213131442 is a `hidden beast` number, since 3 + 0 + 3 + 213 + 1 + 3 + 1 + 442 = 666.

It is an interprime number because it is at equal distance from previous prime (303213131437) and next prime (303213131447).

It is not an unprimeable number, because it can be changed into a prime (303213131447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9654342 + ... + 9685697.

It is an arithmetic number, because the mean of its divisors is an integer number (14959520940).

Almost surely, 2^303213131442 is an apocalyptic number.

303213131442 is an abundant number, since it is smaller than the sum of its proper divisors (414843873678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

303213131442 is a wasteful number, since it uses less digits than its factorization.

303213131442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19340127 (or 19340124 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 303213131442 its reverse (244131312303), we get a palindrome (547344443745).

The spelling of 303213131442 in words is "three hundred three billion, two hundred thirteen million, one hundred thirty-one thousand, four hundred forty-two".