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317108423 = 1973972357
BaseRepresentation
bin10010111001101…
…011000011000111
3211002200202222102
4102321223003013
51122134432143
651244422315
710600243232
oct2271530307
9732622872
10317108423
11152aaa285
128a24799b
135090b028
1430188419
151cc8d0b8
hex12e6b0c7

317108423 has 16 divisors (see below), whose sum is σ = 342004320. Its totient is φ = 293124096.

The previous prime is 317108401. The next prime is 317108489. The reversal of 317108423 is 324801713.

It is not a de Polignac number, because 317108423 - 226 = 249999559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317108023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133361 + ... + 135717.

It is an arithmetic number, because the mean of its divisors is an integer number (21375270).

Almost surely, 2317108423 is an apocalyptic number.

317108423 is a deficient number, since it is larger than the sum of its proper divisors (24895897).

317108423 is a wasteful number, since it uses less digits than its factorization.

317108423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 317108423 is about 17807.5383756431. The cubic root of 317108423 is about 681.9239221932.

The spelling of 317108423 in words is "three hundred seventeen million, one hundred eight thousand, four hundred twenty-three".

Divisors: 1 19 73 97 1387 1843 2357 7081 44783 134539 172061 228629 3269159 4343951 16689917 317108423