30317146 has 8 divisors (see below), whose sum is σ = 45522144. Its totient is φ = 15143100.

The previous prime is 30317143. The next prime is 30317153. The reversal of 30317146 is 64171303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30317146.

It is not an unprimeable number, because it can be changed into a prime (30317143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5110 + ... + 9313.

It is an arithmetic number, because the mean of its divisors is an integer number (5690268).

Almost surely, 2^30317146 is an apocalyptic number.

30317146 is a deficient number, since it is larger than the sum of its proper divisors (15204998).

30317146 is a wasteful number, since it uses less digits than its factorization.

30317146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15476.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 30317146 is about 5506.1007982056. The cubic root of 30317146 is about 311.8143550983.

Adding to 30317146 its reverse (64171303), we get a palindrome (94488449).

The spelling of 30317146 in words is "thirty million, three hundred seventeen thousand, one hundred forty-six".