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316130311 = 7243114969
BaseRepresentation
bin10010110101111…
…100010000000111
3211000212002021001
4102311330100013
51121412132221
651211434131
710556030500
oct2265742007
9730762231
10316130311
111524a1422
1289a55947
1350657a73
142ddb1ba7
151cb48391
hex12d7c407

316130311 has 12 divisors (see below), whose sum is σ = 368621280. Its totient is φ = 270322080.

The previous prime is 316130293. The next prime is 316130327. The reversal of 316130311 is 113031613.

It is not a de Polignac number, because 316130311 - 25 = 316130279 is a prime.

It is a super-3 number, since 3×3161303113 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316130371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13635 + ... + 28603.

It is an arithmetic number, because the mean of its divisors is an integer number (30718440).

Almost surely, 2316130311 is an apocalyptic number.

316130311 is a deficient number, since it is larger than the sum of its proper divisors (52490969).

316130311 is a wasteful number, since it uses less digits than its factorization.

316130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15414 (or 15407 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 316130311 is about 17780.0537400763. The cubic root of 316130311 is about 681.2220750442. Note that the first 3 decimals are identical.

Adding to 316130311 its reverse (113031613), we get a palindrome (429161924).

The spelling of 316130311 in words is "three hundred sixteen million, one hundred thirty thousand, three hundred eleven".

Divisors: 1 7 49 431 3017 14969 21119 104783 733481 6451639 45161473 316130311