30471002 has 4 divisors (see below), whose sum is σ = 45706506. Its totient is φ = 15235500.

The previous prime is 30470971. The next prime is 30471013. The reversal of 30471002 is 20017403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28313041 + 2157961 = 5321^2 + 1469^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7617749 + ... + 7617752.

Almost surely, 2^30471002 is an apocalyptic number.

30471002 is a deficient number, since it is larger than the sum of its proper divisors (15235504).

30471002 is a wasteful number, since it uses less digits than its factorization.

30471002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15235503.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 30471002 is about 5520.0545287162. The cubic root of 30471002 is about 312.3409392127.

Adding to 30471002 its reverse (20017403), we get a palindrome (50488405).

The spelling of 30471002 in words is "thirty million, four hundred seventy-one thousand, two".