30405213316 has 12 divisors (see below), whose sum is σ = 53735947020. Its totient is φ = 15052085600.

The previous prime is 30405213281. The next prime is 30405213343. The reversal of 30405213316 is 61331250403.

It can be written as a sum of positive squares in 2 ways, for example, as 28864650816 + 1540562500 = 169896^2 + 39250^2 .

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, 37629811 + ... + 37630618.

It is an arithmetic number, because the mean of its divisors is an integer number (4477995585).

Almost surely, 2^30405213316 is an apocalyptic number.

It is an amenable number.

30405213316 is a deficient number, since it is larger than the sum of its proper divisors (23330733704).

30405213316 is a wasteful number, since it uses less digits than its factorization.

30405213316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75260534 (or 75260532 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 30405213316 its reverse (61331250403), we get a palindrome (91736463719).

The spelling of 30405213316 in words is "thirty billion, four hundred five million, two hundred thirteen thousand, three hundred sixteen".