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30131314 = 222367559
BaseRepresentation
bin111001011110…
…0010001110010
32002200211101121
41302330101302
530203200224
62553452454
7514053253
oct162742162
962624347
1030131314
1116010114
12a11112a
13631c9a5
144004b2a
1529a2be4
hex1cbc472

30131314 has 8 divisors (see below), whose sum is σ = 45400320. Its totient is φ = 14997876.

The previous prime is 30131303. The next prime is 30131317. The reversal of 30131314 is 41313103.

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

It is not an unprimeable number, because it can be changed into a prime (30131317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33334 + ... + 34225.

It is an arithmetic number, because the mean of its divisors is an integer number (5675040).

Almost surely, 230131314 is an apocalyptic number.

30131314 is a deficient number, since it is larger than the sum of its proper divisors (15269006).

30131314 is a wasteful number, since it uses less digits than its factorization.

30131314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67784.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 30131314 is about 5489.1997595278. The cubic root of 30131314 is about 311.1759497608.

Adding to 30131314 its reverse (41313103), we get a palindrome (71444417).

The spelling of 30131314 in words is "thirty million, one hundred thirty-one thousand, three hundred fourteen".

Divisors: 1 2 223 446 67559 135118 15065657 30131314