30470322145 has 32 divisors (see below), whose sum is σ = 38861690112. Its totient is φ = 22887651072.

The previous prime is 30470322143. The next prime is 30470322187. The reversal of 30470322145 is 54122307403.

It is a happy number.

It is not a de Polignac number, because 30470322145 - 2¹ = 30470322143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30470322143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1488399 + ... + 1508731.

It is an arithmetic number, because the mean of its divisors is an integer number (1214427816).

Almost surely, 2^30470322145 is an apocalyptic number.

It is an amenable number.

30470322145 is a deficient number, since it is larger than the sum of its proper divisors (8391367967).

30470322145 is a wasteful number, since it uses less digits than its factorization.

30470322145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20601.

The product of its (nonzero) digits is 20160, while the sum is 31.

Adding to 30470322145 its reverse (54122307403), we get a palindrome (84592629548).

The spelling of 30470322145 in words is "thirty billion, four hundred seventy million, three hundred twenty-two thousand, one hundred forty-five".