305132421004 has 12 divisors (see below), whose sum is σ = 533990717064. Its totient is φ = 152563644704.

The previous prime is 305132420941. The next prime is 305132421079. The reversal of 305132421004 is 400124231503.

It is a self number, because there is not a number n which added to its sum of digits gives 305132421004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360169 + ... + 860224.

It is an arithmetic number, because the mean of its divisors is an integer number (44499226422).

Almost surely, 2^305132421004 is an apocalyptic number.

It is an amenable number.

305132421004 is a deficient number, since it is larger than the sum of its proper divisors (228858296060).

305132421004 is a wasteful number, since it uses less digits than its factorization.

305132421004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282904 (or 1282902 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 305132421004 its reverse (400124231503), we get a palindrome (705256652507).

The spelling of 305132421004 in words is "three hundred five billion, one hundred thirty-two million, four hundred twenty-one thousand, four".