305332431142 has 8 divisors (see below), whose sum is σ = 458001831096. Its totient is φ = 152665154112.

The previous prime is 305332431101. The next prime is 305332431163. The reversal of 305332431142 is 241134233503.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 101848 + ... + 788059.

It is an arithmetic number, because the mean of its divisors is an integer number (57250228887).

Almost surely, 2^305332431142 is an apocalyptic number.

305332431142 is a deficient number, since it is larger than the sum of its proper divisors (152669399954).

305332431142 is a wasteful number, since it uses less digits than its factorization.

305332431142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061462.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 305332431142 its reverse (241134233503), we get a palindrome (546466664645).

The spelling of 305332431142 in words is "three hundred five billion, three hundred thirty-two million, four hundred thirty-one thousand, one hundred forty-two".