305210431412 has 6 divisors (see below), whose sum is σ = 534118254978. Its totient is φ = 152605215704.

The previous prime is 305210431403. The next prime is 305210431483. The reversal of 305210431412 is 214134012503.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 158470871056 + 146739560356 = 398084^2 + 383066^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38151303923 + ... + 38151303930.

It is an arithmetic number, because the mean of its divisors is an integer number (89019709163).

Almost surely, 2^305210431412 is an apocalyptic number.

It is an amenable number.

305210431412 is a deficient number, since it is larger than the sum of its proper divisors (228907823566).

305210431412 is a wasteful number, since it uses less digits than its factorization.

305210431412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76302607857 (or 76302607855 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 305210431412 its reverse (214134012503), we get a palindrome (519344443915).

The spelling of 305210431412 in words is "three hundred five billion, two hundred ten million, four hundred thirty-one thousand, four hundred twelve".