Search a number
-
+
316347631 = 2979713687
BaseRepresentation
bin10010110110110…
…001010011101111
3211001021010100221
4102312301103233
51121441111011
651220232211
710560624205
oct2266612357
9731233327
10316347631
1115262a726
1289b3b667
1350702962
143002b075
151cb8c971
hex12db14ef

316347631 has 8 divisors (see below), whose sum is σ = 327690720. Its totient is φ = 305033568.

The previous prime is 316347613. The next prime is 316347643. The reversal of 316347631 is 136743613.

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

It is a cyclic number.

It is not a de Polignac number, because 316347631 - 27 = 316347503 is a prime.

It is a super-2 number, since 2×3163476312 = 200151647278624322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316347601) 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 7 ways as a sum of consecutive naturals, for example, 16270 + ... + 29956.

It is an arithmetic number, because the mean of its divisors is an integer number (40961340).

Almost surely, 2316347631 is an apocalyptic number.

316347631 is a deficient number, since it is larger than the sum of its proper divisors (11343089).

316347631 is a wasteful number, since it uses less digits than its factorization.

316347631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14513.

The product of its digits is 27216, while the sum is 34.

The square root of 316347631 is about 17786.1640327531. The cubic root of 316347631 is about 681.3781386100.

The spelling of 316347631 in words is "three hundred sixteen million, three hundred forty-seven thousand, six hundred thirty-one".

Divisors: 1 29 797 13687 23113 396923 10908539 316347631