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315343132 = 2213172331531
BaseRepresentation
bin10010110010111…
…100000100011100
3210222101002110021
4102302330010130
51121211440012
651142521524
710546241506
oct2262740434
9728332407
10315343132
11152003a65
12897362a4
1350440690
142dc48d76
151ca40007
hex12cbc11c

315343132 has 48 divisors (see below), whose sum is σ = 632372832. Its totient is φ = 136304640.

The previous prime is 315343117. The next prime is 315343139. The reversal of 315343132 is 231343513.

315343132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 315343097 and 315343106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315343139) 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 15 ways as a sum of consecutive naturals, for example, 205207 + ... + 206737.

It is an arithmetic number, because the mean of its divisors is an integer number (13174434).

Almost surely, 2315343132 is an apocalyptic number.

It is an amenable number.

315343132 is an abundant number, since it is smaller than the sum of its proper divisors (317029700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315343132 is a wasteful number, since it uses less digits than its factorization.

315343132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798 (or 1796 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 315343132 is about 17757.9033672334. The cubic root of 315343132 is about 680.6561803268.

Adding to 315343132 its reverse (231343513), we get a palindrome (546686645).

The spelling of 315343132 in words is "three hundred fifteen million, three hundred forty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 13 17 26 34 52 68 221 233 442 466 884 932 1531 3029 3062 3961 6058 6124 7922 12116 15844 19903 26027 39806 51493 52054 79612 102986 104108 205972 338351 356723 676702 713446 1353404 1426892 4637399 6064291 9274798 12128582 18549596 24257164 78835783 157671566 315343132