Search a number
-
+
312112323 = 32231507789
BaseRepresentation
bin10010100110100…
…111010011000011
3210202021221121200
4102212213103003
51114400043243
650545352243
710506624315
oct2246472303
9722257550
10312112323
111501a7676
1288638683
134c87bc63
142d6477b5
151c602ad3
hex129a74c3

312112323 has 12 divisors (see below), whose sum is σ = 470430480. Its totient is φ = 199028016.

The previous prime is 312112271. The next prime is 312112327. The reversal of 312112323 is 323211213.

It is not a de Polignac number, because 312112323 - 214 = 312095939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312112296 and 312112305.

It is not an unprimeable number, because it can be changed into a prime (312112327) 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, 753688 + ... + 754101.

It is an arithmetic number, because the mean of its divisors is an integer number (39202540).

Almost surely, 2312112323 is an apocalyptic number.

312112323 is a deficient number, since it is larger than the sum of its proper divisors (158318157).

312112323 is a wasteful number, since it uses less digits than its factorization.

312112323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507818 (or 1507815 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 312112323 is about 17666.7009653755. The cubic root of 312112323 is about 678.3236700861.

Adding to 312112323 its reverse (323211213), we get a palindrome (635323536).

The spelling of 312112323 in words is "three hundred twelve million, one hundred twelve thousand, three hundred twenty-three".

Divisors: 1 3 9 23 69 207 1507789 4523367 13570101 34679147 104037441 312112323